Wikipedia:WikiProject Fishes/Recognized content

This is a list of recognized content, updated weekly by JL-Bot (talk · contribs) (typically on Saturdays). There is no need to edit the list yourself. If an article is missing from the list, make sure it is tagged (e.g. {{WikiProject Fishes}}) or categorized correctly and wait for the next update. See WP:RECOG for configuration options.

Featured articles

Total pages in content type is 21

Former featured articles

Total pages in content type is 2

Good articles

Total pages in content type is 160

Former good articles

Total pages in content type is 6

Did you know? articles

... that Abyssobrotula galatheae lives deeper in the ocean than any other known fish? (2008-12-10)
... that the secretary blenny is a slender ambush predator with large eyes? (2018-08-29)
... that the possession or sale of the Japanese river goby, the largest species of goby found in estuaries of California, is illegal in New South Wales? (2013-05-28)
... that the Southern black bream (pictured), a species endemic to Australia valued for its flavorsome and moist flesh, has a high tolerance to salinity and is of possible use for inland aquaculture in saline dams? (2007-10-16)
... that the colour of the blackstreak surgeonfish changes according to its mood? (2020-09-20)
... that the Achilles tang was named in honor of Achilles, the Greek mythological hero of the Trojan War and Homer's Iliad? (2006-08-20)
... that juvenile ornate surgeonfish are quite different in colouring from the adult fish? (2020-01-31)
... that the blackbelly triggerfish, the whitespotted surgeonfish, the brown tang, the yellowface angelfish and the semicircle angelfish (pictured) are native to the Indo-Pacific but have all been observed off the coast of Florida? (2012-03-09)
... that the orange-band surgeonfish (pictured) can change colour from dark to light almost instantaneously? (2020-04-21)
... that zebra tangs often associate with shoals of convict tangs? (2020-09-12)
... that sand in the stomach of the ocean surgeon helps to grind up its food? (2021-03-02)
... that when severely disturbed, catfish of the genus Acrochordonichthys may release a milky-white mucus-like substance that can kill other fish? (2007-07-30)
... that although it is possible that the Adriatic sturgeon is extinct in the wild, a large specimen was caught in the River Po in 2015? (2016-02-13)
... that the razorfish hides in the spines of sea urchins both for protection and as a hunting strategy? (2009-05-15)
... that the African pompano (pictured), a tropical marine game fish, is not a pompano, but belongs to the genus Alectis? (2007-10-29)
... that the catsharks of the genus Galeus—G. antillensis, G. arae, G. atlanticus, G. cadenati, G. eastmani, G. gracilis, G. longirostris, G. melastomus, G. mincaronei, G. murinus, G. nipponensis, G. piperatus, G. polli, G. priapus, G. sauteri, G. schultzi, and G. springeri—have "saws" on their tails? (2010-11-11)
... that fishes from the genus Alepes are characterised by a curve in their lateral line? (2008-01-10)
... that alligator gars (pictured) are "living fossils" that can breathe in both air and water? (2014-07-20)
... that the male alligator pipefish keeps developing eggs in a brood pouch on his abdomen? (2014-11-04)
... that the extinct giant thresher shark Alopias palatasi is the only one of its kind to possess serrated teeth (pictured)? (2020-01-01)
... that both parents of the Cryptoheros septemfasciatus fish care for their fry intensively? (2009-01-25)
... that Ambloplites species are native to a region extending from the Hudson Bay basin in Canada to the lower Mississippi River basin in the United States? (2004-11-29)
... that in South Carolina, the flat bullhead is threatened by pollution and sedimentation, as well as by the introduction of non-native catfish? (2018-04-19)
... that American congers cross the Gulf Stream twice during their lives? (2018-03-12)
... that the elongated rostrum of the planktivorous American paddlefish (pictured) is used like an antenna to locate swarms of zooplankton? (2014-10-07)
... that the extinct bowfin Amia? hesperia was likely a fish-eating hunter? (2021-04-27)
... that schools of Ammodytes americanus bury themselves in sand each night to avoid predators? (2015-02-04)
... that all Barrier Reef Anemonefish are born sexless and develop into males, and only become females if they rise to the top of the hierarchy? (2007-01-16)
... that the ampullae of Lorenzini enable sharks to sense electric fields? (2022-10-10)
... that the largescale four-eyes does not have four eyes? (2021-02-07)
... that juvenile and adult common fangtooth (adult pictured) look so unlike each other that at one time they were thought to be different species? (2016-05-27)
... that the aquaculture of cobia, a large warm water fish (pictured), has high potential because of its rapid growth and good flesh quality? (2011-10-10)
... that male Arabian carpetsharks competing for a mate have been known to bite the claspers of their rivals? (2010-02-11)
... that the specific and common names of the Argentine seabass refer to different countries? (2021-12-30)
... that the tubular eyes of the deepsea hatchetfish have lenses containing yellow pigment? (2016-03-11)
... that Sladen's hatchetfish makes daily vertical migrations in the ocean? (2016-03-12)
... that the reticulated pufferfish can produce and build up toxins in its skin, gonads, and liver, including tetrodotoxin and saxitoxin? (2018-07-25)
... that definitive hosts for the fluke Ascocotyle pindoramensis include a variety of birds as well as the marsh rice rat? (2010-05-10)
... that a small fetus is preserved in the holotype fossil of the extinct stingray Asterotrygon? (2011-07-15)
... that the conchfish conceals itself in the mantle cavity of a living mollusc? (2021-01-14)
... that the snaggletooth avoids the sea surface when the latter is illuminated? (2016-04-07)
... that Richardson's snaggletooth, a deep sea fish, is black with luminous spots? (2016-03-24)
... that the Atlantic flyingfish can glide 3 to 12 metres (9.8 to 39.4 ft) in the air after jumping out of the water? (2009-06-29)
... that the Atlantic bumper is only found in the Atlantic Ocean because its ecological niche is filled by the only other member of its genus elsewhere? (2008-05-22)
... that the Atlantic stingrays (pictured) living in St. Johns River, Florida, are the only permanent freshwater population of cartilaginous fish in North America? (2009-03-18)
... that the Atlantic torpedo can produce an electric shock of up to 220 volts, and was the namesake of the naval weapon? (2009-12-07)
... that the extinct sawfish Atlanticopristis (artist's impression pictured) had multiple barbs on both sides of its teeth? (2018-06-25)
... that members of the catfish genus Auchenipterichthys are capable of producing sound? (2007-06-15)
... that the fish known as the snapper (Chrysophrys aurata; pictured) in Australia and New Zealand does not belong to the snapper family of tropical fish? (2006-07-26)
... that the range of the Australian blenny may expand southwards due to increased temperatures and climate change? (2010-04-15)
... that the whitefin, Cook's, Australian reticulate, spotted, leopard-spotted, painted, flagtail, speckled, saddled, and narrowbar swellsharks were all scientifically described in 2008, more than doubling the number of species in the genus Cephaloscyllium (example pictured)? (2010-02-25)
... that Figaro was brought back in 2008 for the Australian and northern sawtail catsharks? (2010-10-17)
... that the Australian swellshark (pictured) can survive out of water for more than a day? (2009-09-14)
... that the bagarius, a carnivorous catfish that lives on eating other fish, breeds in rivers prior to the beginning of the annual flood season in southeast Asia? (2007-07-23)
... that Bagrichthys macracanthus, the black lancer, is the only species of Bagrichthys, a genus of catfishes, that is traded in the aquarium hobby? (2007-06-14)
... that some whales "lunge feed" on bait balls (pictured), an extreme method of feeding which has been called the largest biomechanical event on Earth? (2011-04-08)
... that although Balao halfbeaks are mainly used as baitfish for sailfishes and marlins, they are also utilized as a food source in the West Indies? (2009-07-11)
... that Karl Kessler's 1874 description of the Balkhash perch as a new species was based on specimens collected on Alexander von Schrenk's expedition to Turkestan in 1842? (2017-03-17)
... that juvenile balloon sharks are preyed upon by the coelacanth? (2010-11-06)
... that the banded archerfish (pictured) is able to hit targets up to three metres away by shooting jets of water from its mouth? (2010-03-01)
... that the banded butterflyfish (pictured) can act as a cleaner fish, removing parasites from other fish? (2015-09-06)
... that the majority of St. Thomas' ciguatera cases are linked to the same species of fish, the bar jack, or Caranx ruber? (2007-10-21)
... that the palebelly searsid undertakes daily vertical migrations in the deep sea? (2018-10-20)
... that the barbeled houndshark is the only shark with a spherical placenta? (2010-01-31)
... that prehistoric inhabitants of the San Francisco Bay Area fished the bat ray in large numbers, while more recently it is mostly taken by oyster growers who mistakenly believe it feeds on their oysters? (2006-01-19)
... that the catfish of the genus Batasio are found in fast-flowing hillstreams throughout South and mainland Southeast Asia? (2007-06-08)
... that Robert J. Behnke, a world-renowned wild trout biologist and conservationist, was known as "Dr. Trout"? (2013-11-15)
... that the belted cardinalfish carries its developing eggs in its mouth? (2010-04-06)
... that the tail of the Bennett's stingray can make up three quarters of its total length? (2010-02-28)
... that Benson, Britain's "biggest and best-loved" common carp, was known as "the people's fish"? (2009-08-15)
... that the bentfin devil ray is threatened by overfishing, both as a targeted species but also as bycatch? (2015-09-17)
... that the Bering cisco migrates hundreds of miles up rivers without eating? (2010-03-29)
... that the discovery of Bianchengichthys may shed new light on the evolution of all jawed vertebrates? (2022-03-18)
... that a single egg case of the big skate (pictured) may contain up to seven embryos? (2009-03-15)
... that the presence of the rare bigeye sand tiger in the Pacific Ocean was first suspected based on teeth recovered from the ocean floor? (2009-04-27)
... that the specific epithet of bigeye trevally (Caranx sexfasciatus) refers to the six dark bands on their sides that fade and disappear as the marine fish mature and age? (2009-05-22)
... that Nocomis platyrhynchus are brown on top but white on the bottom? (2015-03-12)
... that the male bigtooth cardinalfish broods a ball of eggs in his mouth? (2020-05-19)
... that the largest of all billfishes, the Atlantic blue marlin (pictured), weighs up to 820 kilograms (1800 pounds) and has been classified as a vulnerable species? (2012-04-05)
... that the black-spotted whipray (pictured) was at first thought to be the same as the brown whipray, which itself was at first thought to be the same as the honeycomb stingray? (2010-09-11)
... that discards from commercial fishing ships are a major food source for black dogfish in the northwestern Atlantic? (2010-10-10)
... that the specific name of Hydrolagus homonycteris refers to a professor at Illinois Wesleyan University known as "bat man" by his students? (2018-12-20)
... that during internal fertilization, the black rockfish female produces between 125,000 and 1,200,000 eggs, and then reabsorbs some back? (2009-12-18)
... that black seadevils are a family of anglerfish named for their baleful appearance and pitch black skin? (2005-02-08)
... that the black swallower can swallow fishes over twice its length and ten times its weight? (2009-03-18)
... that the Brazilian guitarfish may soon become extinct because of overfishing, while across the Atlantic, the common guitarfish and the blackchin guitarfish are also endangered? (2016-02-12)
... that the blackchin shiner was thought to have vanished from Ohio before 1940, until it was rediscovered there in the 1980s? (2017-06-17)
... that the blackedge whipray is known in Tamil as the "salt-like ray"? (2010-09-19)
... that blackfin scad (pictured) is a popular food fish in Cambodia and Thailand, where it is served fried, steamed or baked? (2007-12-31)
... that the Yantai, blackish, and Chinese stingrays are the three most commonly sold stingrays in China? (2010-01-18)
... that the largest female black-sided hawkfish in a harem changes sex if the male dies? (2016-06-23)
... that the blackspot shark feeds on small fish, crustaceans and squid and is not dangerous to man? (2013-06-28)
... that most attacks on humans by the blacktip reef shark (pictured) consist of people being bitten on their legs or feet while wading in shallow water? (2009-10-08)
... that the blacktip shark (pictured) can reproduce asexually? (2009-05-06)
... that the blacktip trevally (Caranx heberi, pictured) "grunts" when taken out of water? (2009-04-26)
... that Yvonne Blenkinsop, Mary Denness, Christine Jensen and Lillian Bilocca became known as "headscarf revolutionaries" for their attempts to improve safety in the English fishing industry? (2019-03-06)
... that the Mexican blind brotula, the blind swamp eel, and the juil ciego, all cave-dwelling fish in Mexico, are threatened by water pollution? (2016-07-30)
... that the blind cave eel (pictured) is the longest cavefish in the world? (2022-05-31)
... that the blind and oval electric rays can barely swim, instead "walking" along the sea floor? (2010-10-23)
... that the blind shark (pictured) and the bluegrey carpetshark close their eyes when taken out of the water? (2010-02-11)
... that the blob sculpin is the first egg-laying, deep sea fish known to provide parental care? (2017-03-22)
... that the Blood Parrot, a cross-bred fish, has neither a binomial nomenclature nor a distinctly known parentage? (2006-09-13)
... that the blotched catshark exhibits fluorescence, with spots that glow yellow under blue light? (2009-08-07)
... that the blue runner is easily attracted to a variety of floating and underwater structures such as oil platforms (example pictured) and aquaculture structures? (2009-05-28)
... that the blue trevally, a popular gamefish in South Africa, was first described in 1775 based on a specimen taken from the Red Sea? (2008-11-02)
... that the bluespotted ribbontail ray (pictured) is the most commonly found stingray in the home aquarium trade, even though it seldom thrives in captivity? (2009-12-18)
... that the Bluespotted trevally (Caranx bucculentus, pictured) is a major predator of prawns on the coasts of Northern Australia? (2009-02-27)
... that the millet butterflyfish (pictured) and the bluestripe butterflyfish are both endemic to the Hawaiian Islands and nearby atolls? (2017-12-29)
... that embryonic development in the bluntnose stingray does not start until several months after mating? (2010-01-25)
... that the blurred and smooth lanternsharks form a species group distinguished from the rest of their family by the shape and arrangement of their dermal denticles? (2009-09-28)
... that the deepwater boa and dwarf catsharks are seldom caught by trawlers in the Caribbean Sea and the western Atlantic? (2016-07-24)
... that the sea chubs Graus nigra and Medialuna ancietae, the Chilean sandperch, and the Galápagos sheephead wrasse all live in the forest? (2018-08-08)
... that Boops boops is a species of Boops called "the bogue"? (2011-01-25)
... that the endangered Borneo shark was rediscovered in 2007, after not having been seen for many decades? (2010-05-06)
... that fossils of the headlight angler and the netdevil were found during construction of a subway station in Los Angeles? (2016-02-08)
... that the Twoline eelpout feeds primarily on bottom-dwelling organisms? (2011-08-20)
... that bowfins can survive up to five days' exposure to air because they can breathe both air and water? (2014-10-19)
... that the Golden banded goby was originally differentiated from similar species by the structure of its anal fin? (2009-03-16)
... that the genus Brachyplatystoma includes many large species of Amazonian catfish, including one which may reach about 3.6 metres (almost 12 feet) in length? (2007-04-21)
... that Brachyrhaphis roseni (examples pictured) and B. rhabdophora are difficult to breed because they voraciously eat their own young? (2025-01-27)
... that the stargazer snake eel sometimes has a shrimp perched on its head? (2021-05-13)
... that despite being a valuable table fish and gamefish, the brassy trevally is almost never targeted by anglers because larger relatives occur within its range? (2009-04-29)
... that the Brazilian large-eyed stingray may use coastal sandbanks as nurseries for its young? (2009-11-22)
... that members of the genus Breitensteinia have a longer body than other stream catfishes due to an increase in number of vertebrae? (2007-07-30)
... that the brown stingray (pictured) is the most common stingray found off the Hawaiian Islands? (2009-12-12)
... that the broad whitefish is eaten by brown bears when they cannot find salmon? (2010-02-26)
... that the broadhead catfish, a carnivore, can be fed with rice bran? (2008-03-02)
... that almost a quarter of the brown lanternsharks found in Suruga Bay, Japan, have both male and female organs? (2009-07-17)
... that the dark, puffadder, brown, and Natal shysharks (puffadder shyshark pictured) of South Africa are so named because they curl into a ring when threatened and "shyly" cover their eyes with their tails? (2009-09-08)
... that there are 21 endemic Australian stingarees, including the brown, circular, common, Coral Sea, greenback, Kapala (pictured), lobed, masked, mitotic, patchwork, sandyback, sparsely-spotted, spotted, striped, wide, and eastern, western and yellow shovelnoses? (2010-09-19)
... that the brownsnout spookfish is the only vertebrate known to use a mirror to focus an image in its eye? (2009-03-20)
... that Bubba the Grouper, the first known fish to receive chemotherapy, died recently in Chicago, Illinois? (2006-08-29)
... that Paul Bujor rose from modest beginnings to become a zoology professor, a published fiction author, a member of the Romanian Academy, and president of his country's Senate? (2015-08-31)
... that the inshore marine fish bumpnose trevally and longfin trevally are similarly shaped and thus often misidentified, reportedly even in some museum collections? (2008-11-03)
... that Bunocephalus is the most species-rich and widespread genus of the South American banjo catfishes? (2007-08-14)
... that the Butler's frogfish can hold onto objects with its finger-like pectoral fin rays? (2009-03-17)
... that the Chesterfield Island, butterfly, and New Caledonian stingarees are all found off the Chesterfield Islands, the first two nowhere else? (2010-10-07)
... that the California lizardfish is not sought by most anglers because its flesh has a taste resembling iodine? (2009-08-27)
... that hatchlings of the Cape Fear Shiner, a critically endangered minnow endemic to central North Carolina, feed off of their egg yolk for five days after they hatch? (2007-12-13)
... that the exact species for which the fish genus Carangoides (C. orthogrammus pictured) was originally created is unknown? (2008-07-01)
... that the Black jack, Caranx lugubris, was first described in 1860 by Cuban zoologist Felipe Poey in his two-volume work Historia Natural de la Isla de Cuba, or "Natural History of the Island of Cuba"? (2008-02-05)
... that the marine fish Caranx sansun, first described in 1775, has no common name, has no known holotype, and is labeled a nomen dubium as the correct identification is unlikely to be made? (2009-05-18)
... that the fish Carapus acus lives in association with a sea cucumber, such as Parastichopus regalis, spending the day inside its host and emerging at night to feed? (2021-04-29)
... that although most carpet sharks eat small prey such as shellfish, one was observed swallowing a bamboo shark whole? (2013-10-17)
... that the migratory Caspian lamprey is more threatened than the freshwater Carpathian brook lamprey? (2012-09-28)
... that a proposal was made that the Cauca molly be used in biological pest control of mosquitoes? (2018-04-28)
... that a deep-sea fish known as a black ruff was caught in a salmon net in the Firth of Forth and donated to the Edinburgh Museum of Science and Art in 1901? (2020-03-28)
... that the lollipop catshark is shaped like a tadpole and has an almost gelatinous body? (2009-09-13)
... that Mithaecus's recipe for the burrowing fish Cepola macrophthalma is the oldest recorded recipe? (2009-11-24)
... that some species of the catfish genus Cetopsis are only known by a single specimen? (2007-08-06)
... that the Zanzibar butterflyfish (pictured) feeds on coral polyps, whereas the Japanese butterflyfish will eat anything? (2017-12-09)
... that Chaetostoma microps, a suckermouth armored catfish species from Ecuador, has been found climbing a cave wall? (2015-06-01)
... that the chain moray sometimes forages in tide pools and can survive for up to half an hour out of water? (2014-05-28)
... that the chameleon goby has been known to nest in crevices, mollusc shells, or even discarded bottles and cans? (2014-04-07)
... that about 11,000 eggs of the Florida blenny were once found in an old can? (2018-09-27)
... that Chilean jack mackerel are captured by encircling schools with purse seine nets? (2012-03-23)
... that ocellated icefish Chionodraco rastrospinosus (pictured) have blood as clear as water? (2013-04-20)
... that the Christmas carp traditionally swims in a bathtub for a few days before becoming Christmas Eve dinner? (2024-12-24)
... that the Christmas darter is considered a priority species by the state of South Carolina, but of least concern by the International Union for Conservation of Nature? (2019-12-28)
... that the chupare stingray (pictured) and the Pacific chupare are the closest marine relatives of the South American river stingrays? (2009-04-04)
... that one airbreathing catfish species cooperates in pack hunting with another species of catfish? (2025-09-22)
... that the tropical fish cleftbelly trevally (A. atropos, pictured) has no scales on its chest between its pectoral and pelvic fins? (2008-01-08)
... that the stargazer (pictured), a widespread coastal fish, is an ambush predator which can deliver both venom and electric shocks, and has been called "the meanest thing in creation"? (2010-03-03)
... that the coastal trevally is frequently known under an incorrect Latin name because of a typo in the first volume to describe it? (2008-09-27)
... that there is no clear explanation why Coastrange sculpins in Cultus Lake, British Columbia, are smaller than other members of the species? (2013-02-05)
... that Brazil has recently opened a commercial fishery targeting the Colares stingray, for export to Europe? (2009-11-21)
... that the Comanche Springs pupfish no longer lives in Comanche Springs? (2021-03-19)
... that the bluestripe snapper (pictured) was introduced to Hawaii in the 1950s as a sport fish, and now outcompetes native fish for space and food? (2007-10-08)
... that the common eagle ray feeds on shellfish which it crushes with flattened hexagonal teeth arranged in a mosaic fashion on its jaws? (2016-06-11)
... that Pliny the Elder claimed that the toxic spine of the Common stingray could kill trees and corrode iron? (2009-03-09)
... that the cookiecutter shark (pictured) may use the absence of bioluminescence to attract prey? (2010-02-08)
... that Copadichromis borleyi is a type of mouthbrooding fish endemic to Lake Malawi in East Africa? (2007-04-30)
... that the splash tetra (pictured) lays its eggs on a leaf above the surface of the water? (2018-05-13)
... that schools of copper sharks (pictured) follow the sardine run off South Africa every winter? (2010-04-29)
... that some coral reef fish, like the lionfish (pictured), have venomous spines in their fins? (2010-02-05)
... that the bloater, which inhabits the depths of the Great Lakes, swells when brought to the surface? (2010-02-23)
... that the fish Coreoleuciscus splendidus had a movie named after it in 1999? (2007-05-05)
... that the Cornish jack, a weakly electric fish, uses electricity to communicate with other members of its group? (2008-12-09)
... that the roundnose grenadier is projected to be fished to extinction unless actions are taken to conserve it? (2012-05-11)
... that the Cottonmouth jack is so named because of its pure white tongue and mouth? (2008-02-24)
... that naturalist Jonathan Couch wrote the four-volume A History of the Fishes of the British Islands, with his own coloured illustrations depicting the vivid natural colours of the different species? (2007-12-20)
... that the tough skin of the cowtail stingray (pictured) is used to polish wood? (2009-03-10)
... that crazy fish are upside down sleepers? (2012-01-15)
... that the egg capsule of the crested bullhead shark has paired tendrils extending up to 2 m (6.6 ft), greater than the length of the adult shark? (2009-11-06)
... that natural interbreeding between the banded stingaree (pictured) and the yellowback stingaree represent one of the few known cases of hybridization in cartilaginous fishes? (2009-03-30)
... that the type specimen of the icefish Pagetodes, a synonym of Cryodraco, was stolen and eaten by a cat before it could be preserved? (2021-11-03)
... that the endangered cui-ui sucker fish was a staple of the Native American Paiute tribe for over a millennium? (2006-06-07)
... that Lumpsuckers are fish that have modified pelvic fins which have evolved into adhesive discs that allow them to adhere to their substrate? (2004-04-12)
... that the original type specimen of the fish species Cynodon gibbus (example pictured) may have been destroyed in a bombing raid? (2025-08-23)
... that though found from Portugal to Angola, the conservation status of the Portuguese sole is unknown? (2018-05-15)
... that the daggernose shark can adjust the timing of events in its reproductive cycle by several months? (2009-09-10)
... that the daisy and pearl stingrays are characterized by a "pearl spine", an enlarged dermal denticle in the middle of their backs? (2010-01-22)
... that the Danube bleak, a migratory fish, has had its traditional routes blocked by the building of dams? (2012-09-07)
... that the Dash-and-dot goatfish (pictured) bears a stripe and spot that is usually black, but which is red when the same species lives in deeper waters? (2007-01-15)
... that catfish of the genus Dekeyseria can rapidly change their colouration to fit their mood or their surroundings? (2007-07-22)
... that the deepest living demersal fish ever retrieved, Abyssobrotula galatheae, was found in the Puerto Rico Trench at a depth of 8,370 metres (27,453 ft)? (2009-09-04)
... that a court case about the Devils Hole pupfish (examples pictured) went all the way to the U.S. Supreme Court? (2020-01-16)
... that the Diamond darter, discovered in 2008, lives only in the Elk River of West Virginia, USA? (2009-01-30)
... that the Atlantic batfish uses its pectoral and pelvic fins to "walk" over the seabed? (2018-02-19)
... that the clingfish Diplecogaster bimaculata has been photographed cleaning a moray eel? (2019-07-16)
... that despite being commonly found off the coast of Argentina, Diplodus argenteus is not named after the country? (2024-11-01)
... that the Prickly brown ray was accidentally discovered by an expedition to study shrimp in the Gulf of Mexico? (2014-01-24)
... that there are many diverse types of fish, including sea dragons (pictured) camouflaged to look like floating seaweed? (2009-07-24)
... that the Doctorfish tang has the largest range of its genus, which includes 38 species from three oceans? (2007-09-17)
... that Dollfus' stargazer lures little fishes to their doom? (2015-01-30)
... that the doubleband surgeonfish (example pictured) can turn a dark brown shade flushed with red or violet when stressed? (2020-01-29)
... that the recently discovered dracula fish lost its teeth then re-evolved a set of bony fangs from its jawbone? (2009-03-22)
... that the draughtsboard shark (pictured) has been known to bark like a dog? (2010-02-20)
... that the recently described dwarf black stingray looks like, but is less than a third as wide as, the black stingray? (2010-09-20)
... that the spined pygmy shark (head pictured), dwarf lanternshark and pygmy ribbontail catshark are candidates for being the smallest shark in the world, all maturing at under 20 cm (8 in) long? (2009-10-03)
... that at a maximum standard length of roughly 2 cm (0.8 in), dwarf pufferfish are some of the smallest pufferfish in the world? (2023-11-17)
... that the dwarf pygmy goby (Pandaka pygmaea), a freshwater fish from the Philippines, is the smallest fish in the world? (2007-07-20)
... that the dwarf sawfish is estimated to live for up to 48 years? (2015-08-30)
... that Eel City is a popular residence for cutthroat eels? (2017-11-08)
... that young Easter Island butterflyfish sometimes act as cleaner fish, picking parasites off the skin of larger fish? (2013-03-08)
... that Eastern school whiting caught along the coast of Queensland are frozen whole, shipped to Thailand for processing and then sold in Japan? (2007-08-31)
... that the Latin meaning of rostrata is 'beaked', suggesting that the eastern shovelnose ray was named after its triangular snout? (2021-07-15)
... that the whitefin sharksucker often attaches itself to a large fish or turtle? (2016-03-19)
... that the extinct species of Edaphodon, a type of rabbitfish related to the shark, grazed along the bottom of the ocean like land-dwelling herbivores do now? (2007-03-28)
... that Eigenmannia vicentespelaea is the only known South American knifefish that exclusively inhabits caves? (2009-11-13)
... that the small, torpedo-shaped marine cleaner fish of the genus Elacatinus (pictured) are known as neon gobies due to their iridescent stripes? (2007-09-29)
... that the shortstripe goby and the yellowline goby always live in association with a sponge? (2012-09-22)
... that electric organs are composed of stacks of specialised cells that can generate electricity? (2023-01-19)
Emmelichthyops (article's talk page missing blurb) (2009-09-04)
... that the male Pahrump killifish turns blue during spawning? (2011-10-05)
... that the Blacktail triplefin blenny's species name, bahasa, refers to the official language of Indonesia? (2011-11-18)
... that the genus Entomocorus includes a catfish species that lives only one year? (2008-01-20)
... that the salmon Eosalmo (fossil example pictured) likely never migrated to the ocean? (2025-03-05)
... that all five species of the catfish genus Epactionotus are endemic to limited geographic areas in Brazil and Argentina? (2007-06-07)
... that the epaulette shark (pictured) can survive for an hour without oxygen? (2009-05-21)
... that young Erismatopterus formed shoals as a likely way to avoid predators? (2024-06-25)
... that the estuary stingray is persecuted due to its supposedly voracious appetite for farmed shellfish, which has contributed to its decline? (2010-02-04)
... that when Etheostoma variatum are seen, rivers are probably clean? (2014-07-15)
... that the deep-sea unicorn crestfish (pictured) can expel a cloud of black ink as a defense against predators? (2009-03-13)
... that in the Baltic Sea, the European flounder (pictured) often hybridises with the European plaice? (2013-09-20)
... that overfishing of European pilchard (pictured) and anchovy in the Adriatic Sea can cause dramatic changes in the ecosystem? (2018-10-05)
... that the parasitic sprat eye-maggot (pictured) attaches to its sprat host through its eye? (2018-08-31)
... that the bicolored sponge goby spends most of its life living inside sponges? (2021-04-06)
... that the oceanic two-wing flyingfish exhibits countershading? (2018-09-11)
... that while attempting to escape from underwater predators, the tropical two-wing flyingfish (pictured) may find other hazards above the waves? (2018-09-07)
... that the jaw of Exoglossum laurae is partially exposed because it is missing much of its lower lip? (2014-06-27)
... that the right eye of the eyed flounder migrates during the development of the fish? (2015-01-15)
... that DNA analysis techniques are used to prevent fraudulent marketing of the false scad fish as a horse mackerel? (2009-04-27)
... that the false scorpionfish mimics the true scorpionfish so well, it was originally described as a species of genus Scorpaena? (2010-03-20)
... that the black molly might not be a black molly? (2025-02-12)
... that in 1891 a single specimen of Underworld windowskate was collected from the California coast, even though this fish is otherwise found only in the Atlantic? (2015-03-10)
... that during the summer the finetooth shark (pictured) is found exclusively in water less than 10 m (30 ft) deep? (2009-05-13)
... that the finless sleeper ray may be the smallest cartilaginous fish, with the smallest adult specimen measuring 8.2 cm (3.2 in) long? (2010-09-28)
... that some species of fish undergo a genetically programmed sex change during their development? (2007-06-08)
... that fish diseases and parasites can result in mass fish die offs, particularly if the ambush predator Pfiesteria piscicida is involved? (2009-08-11)
... that paleontologists have discovered the fossilized eggs of cephalopods, fishes, and reptiles, with some dinosaur eggs (pictured) being preserved with pathological shell deformities? (2013-09-09)
... that FishCenter Live is a talk show commentating on footage of a fish tank? (2015-04-03)
... that although it is considered a gamefish, the flat needlefish is seldom eaten because of its green-colored flesh? (2009-03-09)
... that forage fish (anchovy pictured), which feed the world's great marine predators, are now being removed from the oceans on an industrial scale and fed instead to farmed fish, pigs, and poultry? (2008-12-04)
... that the butterflyfish species Forcipiger longirostris has the longest Hawaiian name for any fish: lauwiliwilinukunukuʻoiʻoi? (2009-05-01)
... that the freshwater whipray is the only Australian stingray restricted to fresh and brackish water? (2010-01-17)
... that the frilled shark (pictured) may have the longest gestation period of any vertebrate, at three and a half years? (2010-05-04)
... that frogfish can suck prey into their mouths in just 6 milliseconds, too fast for other animals to see? (2009-09-27)
... that the Galápagos ghostshark was scientifically named after John E. McCosker, who had discovered the species on his 50th birthday? (2019-03-05)
... that the Gangetic whiting (pictured) is the only known species of fish to host the intestinal parasite Dichelyne alatae? (2007-07-26)
... that among the wildlife found in Oman are the Arabian wildcat, the Dhofar toad, and the Oman garra, a freshwater fish with a blind, cave-dwelling form? (2015-12-20)
... that the Guinean striped mojarra is one of the fish caught in the less polluted part of the Ébrié Lagoon (pictured)? (2019-07-26)
... that in 1992, a single marbled eel was sold in mainland China for $1,000? (2006-11-25)
... that the giant oceanic manta ray herds its planktonic prey into a bunch before speeding among them with its mouth open wide? (2013-09-22)
... that the giant stumptail stingray is only known from two specimens caught near Vladivostok, Russia, in Peter the Great Bay? (2009-11-28)
... that the tropical marine fish Gillellus inescatus possesses an esca similar to that of an anglerfish, which might be used for luring prey and attracting mates? (2010-12-28)
... that some forms of ginbuna carp asexually reproduce via gynogenesis, in which the male sperm contributes no genetic material but is still required for egg development? (2019-01-14)
... that some catfishes of the subfamily Glanapteryginae live exclusively in sand? (2007-07-31)
... that females of the tropical fish subfamily Glandulocaudinae are able to hold sperm in their ovaries for several months? (2007-04-21)
... that the Iran cat can adhere to rocks in streams? (2015-08-19)
... that the graceful shark has been described as "tubby"? (2010-05-09)
... that the graveldiver may burrow to depths of 7.6 metres (25 ft) or more in a substrate such as sand, gravel, or broken shell? (2010-04-11)
... that the great northern tilefish digs burrows and tunnels in clay sediment on the outer continental shelf and on flanks of submarine canyons? (2013-06-05)
... that the green lanternshark often preys on squid and octopus much larger than itself, which it may overwhelm by attacking in packs? (2009-09-27)
... that Greeneyes are hermaphroditic? (2004-03-30)
... that the greeneye spurdog, Sydney skate, grey skate and whitefin swellshark are at risk of extinction by trawling, according to a 2021 report? (2021-04-07)
... that the grey reef shark (pictured) is the first shark species known to perform a threat display to warn off divers who are too close? (2009-05-10)
... that the grey triggerfish has developed a feeding strategy for dealing with sand dollars? (2014-02-27)
... that the grunion is a sardine-sized fish only found off the coast of California and Baja California that comes up on sandy beaches at very high tides (during the new and full moons) to lay its eggs? (2005-06-05)
... that on Africa’s coast, Guachanche barracuda are normally found from Senegal to Angola (including Cape Verde), but can also be found much further north off the Canary islands? (2009-08-10)
... that the gulf sturgeon, a subspecies of the Atlantic sturgeon, fasts for eight to nine months each year? (2007-09-04)
... that the moray eel Gymnothorax pictus is able to hunt on land? (2010-02-04)
... that other fish pose as the Haemulon and get in their school to protect themselves from predators? (2013-06-07)
... that the Boga is also known as the Snit in Jamaica and as the Bonnetmouth in the Bahamas? (2009-08-27)
... that Halichoeres maculipinna can change its sex, and engages in lek mating? (2014-07-20)
... that Sarpa salpa (pictured) is a hallucinogenic fish that was used as a recreational drug during the Roman Empire? (2013-11-15)
... that since the Nile perch was introduced into Lake Victoria, the cichlid Haplochromis vonlinnei (pictured) has become "critically endangered" and may be extinct? (2014-06-13)
... that many female ghostly seadevils (pictured) never encounter a male in the ocean depths in which they live? (2016-01-26)
... that the Hawaiian cleaner wrasse could be eaten by its clients, but is not? (2018-06-03)
... that the headlight fish gets its name from the large, bioluminescent patch of skin located between its nostrils? (2020-12-17)
... that the extinct stingray Heliobatis (pictured) has been found with up to three stings on its tail? (2010-10-24)
... that a catfish of the genus Helogenes is known to jump out of the stream during rotenone fishing by locals, and jump back afterwards? (2007-07-23)
... that the catfish genus Hemiancistrus currently includes species of two other undescribed genera? (2007-05-10)
... that herring scad (Alepes vari) from the Red Sea has high levels of luminescent bacteria living symbiotically with the fish as part of the fish's gut flora? (2008-02-02)
... that the Least Killifish is the smallest fish found in North America? (2008-08-17)
... that a high concentration of anthracene in the liver can kill the African Clariid Catfish? (2010-06-26)
... that the extinct mooneye fish Hiodon woodruffi was not described until 1978, although the earliest finds date to 1906? (2021-02-03)
... that in some classification systems, the subfamily Hippocampinae includes several genera of pygmy pipehorses which look like seahorses but do not swim upright? (2013-05-18)
... that the male common seahorse %28pregnant male pictured%29 carries and delivers its young? (2009-05-16)
... that the Passer Angelfish (pictured) undergoes large changes in coloration during its transition from juvenile to sexually mature, going from bright orange, yellow, and blue to a drab brownish-black color? (2008-08-17)
... that male fish in the subclass Holocephali (pictured) often have special organs on top of their head that are used to grasp females while mating? (2025-07-02)
... that the endangered honey blue-eye is threatened by urban development and possibly mosquitofish? (2015-05-09)
... that the Hoosier cavefish has an anus behind its head? (2015-02-13)
... that Horabagrus brachysoma, an endangered species of the genus Horabagrus, has been considered a potential flagship species for media attention to provide a focus for wildlife conservation of inland biodiversity? (2007-05-23)
... that relative to its body size, the horn shark (pictured) has the strongest known bite of any shark? (2009-06-23)
... that although Horse-eye jack (Caranx latus) generally fear scuba divers, schools of them have been known to swarm divers because they are attracted to the bubbles a person exhales? (2008-01-07)
... that the recently described Hortle's whipray is found only off southern New Guinea and has a bright yellow underside? (2010-09-02)
... that the houndfish has been known to leap out of the water, causing injuries with its sharp beak, when attracted by the artificial lighting used to catch it? (2009-04-12)
... that Clark Hubbs was notorious for his collection of clothing depicting fish? (2019-05-30)
... that being critically endangered does not prevent the humpbacked limia from eating its own young? (2023-10-20)
... that Hypancistrus is a genus of catfish with suckermouths, including popular aquarium fish such as the zebra pleco? (2007-04-11)
... that catfish species of the genus Hypophthalmus are unusual among neotropical fishes because they feed on plankton by straining water over a fine sieve created by numerous long, thin gill rakers? (2007-06-29)
... that the black hamlet is an egg trader? (2016-02-11)
... that during the breeding season, the male Hypseleotris compressa (pictured) can appear to glow? (2015-03-02)
... that the eggs and larvae of fish (salmon larva pictured) can be sampled as an index of the relative abundance of spawning adult fish? (2011-08-07)
... that an important identifying feature of the Imposter trevally (Carangoides talamparoides, pictured) is its white or pale grey tongue? (2009-02-23)
... that archaeological evidence has shown that the Indian threadfish (Alectis indicus) has long been a resource for humans, with prehistoric and more modern sites in the United Arab Emirates preserving its remains? (2007-10-30)
... that genus Inimicus includes highly venomous benthic stonefishes, such as Inimicus filamentosus (pictured), which use their pectoral fins as legs to walk on the seabed? (2010-04-02)
... that the single known specimen of the Irrawaddy river shark was generally dismissed as an abnormal bull shark until 2005? (2009-11-16)
... that the Ives Lake cisco is a freshwater whitefish known to only one lake, in Michigan's Upper Peninsula? (2015-01-21)
... that the rare Izu stingray differs from all other Pacific members of its family in having a white fin fold on its tail? (2009-11-24)
... that several Japanese bullhead sharks may lay their eggs in a single communal "nest"? (2009-11-06)
... that the rare, "almost legendary" Japanese lates was considered to be the same fish as the barramundi until 1984? (2010-03-05)
... that the usually plain-colored Jenkins' whipray has a spotted variant, the dragon stingray, once considered to be a different species? (2010-09-06)
... that credit for describing the Jolthead porgy goes to both Marcus Elieser Bloch and Johann Gottlob Schneider in 1801, though Bloch died in 1799? (2010-01-03)
... that the Kai stingaree has only been collected by the HMS Challenger, in 1874? (2010-09-21)
... that the Kessler's gudgeon and the Danube gudgeon both have barbels by their mouth which help them in their search for food? (2012-09-20)
... that the fish king-of-the-salmon is so named because, according to Makah legend, it is responsible for leading salmon to their spawning grounds? (2009-03-13)
... that, like the related cookiecutter shark, the kitefin shark (pictured) sometimes feeds by taking bites out of animals larger than itself? (2009-06-20)
... that the knifetooth sawfish (pictured) and the longcomb sawfish can be told apart by the number of teeth on their saws? (2013-10-01)
... that Knobbed porgies are born female, but become males over their lifetimes? (2010-07-15)
... that the konye, a critically endangered fish, is threatened by burps? (2016-07-27)
... that the male Krabi mouth-brooding betta incubates the fertilized eggs in his mouth until they hatch? (2016-02-10)
... that the green wrasse (pictured) has big eyes, a small mouth, and fleshy lips? (2018-01-04)
... that the extinct lobe-finned fish Laccognathus embryi (reconstruction pictured) had fangs up to 3.8 cm (1.5 in) long? (2011-09-21)
... that the shortbeard codling crushes the molluscs on which it feeds with its beak-like jaws? (2018-03-19)
... that the largetooth cookiecutter shark has the largest teeth relative to its body of any living shark? (2009-09-26)
... that the name of the Lasiognathus genus of anglerfish (L. amphirhampus pictured), distinctive for its huge upper jaw, derives from the Greek for "hairy jaw"? (2008-12-16)
... that the leopard shark (pictured) feeds on anchovies by swimming into their schools with its mouth open and waiting for them to accidentally enter? (2009-08-20)
... that the leopard whipray (pictured) and honeycomb whipray have large dark spots when young, that become rings when adults? (2010-09-21)
... that Lepidotus was a genus of prehistoric fish that existed from the Late Triassic (Rhaetic) to the middle Cretaceous (Cenomanian)? (2014-01-21)
... that catfish of the genus Leporacanthicus are also known as vampire plecostomus because of the presence of very long teeth on their upper jaw? (2007-07-29)
... that, though native to the River Amazon in South America, Leporinus fasciatus (pictured) has been introduced to the US states of Florida and Hawaii via aquarium releases? (2010-11-24)
... that a small fish, the California grunion, buries its eggs in sand high on a beach? (2016-01-22)
... that the California smoothtongue has a black pigment in its stomach lining that may conceal the presence of bioluminescent prey the fish has swallowed? (2016-06-22)
... that some of the first likely Libotonius fossils collected are lost at the Smithsonian? (2024-08-16)
... that a hypothesized land bridge may have allowed some fish species (example pictured) to migrate from South America to Cuba? (2025-01-09)
... that male blue-bellied limias spend more than 26 minutes per hour courting females? (2023-05-13)
... that the lined topminnow has black teardrops? (2013-07-27)
... that the gelatinous seasnail (pictured) is actually a fish? (2012-03-11)
... that in the last hundred years some of the commercially fished Hawaiian stocks have decreased by 80-85%? (2009-10-18)
... that sawfishes (pictured), a family of rays with a long rostrum resembling a saw, are threatened with extinction? (2013-04-25)
... that the Littlehead porgy fish has been described as one of the most brightly colored members of the porgy family, which contains well over 100 species in 37 genera? (2010-05-27)
... that the lizard catshark is considered a "vulnerable species" because trawling is damaging the patches of coral in which it breeds? (2014-10-05)
... that the longfin crevalle jack (Caranx fisheri, pictured) is similar enough to the crevalle jack (C. hippos) that it was described only in 2007? (2009-04-27)
... that although the longfin trevally is a prized table fish in Thailand and Cambodia, it is overall too rare to sustain commercial fisheries? (2008-08-04)
... that Almaco jack have been known to remove parasites on their skin by rubbing up against scuba divers? (2008-01-26)
... that the longnose eagle ray, which is caught unintentionally during fishing activities, is listed as being a "near-threatened species"? (2016-06-12)
... that longnose stingrays are born in relatively fresh water, move into saltier water soon after, and then move back into less salty water when they mature? (2010-01-24)
... that the scientific name of Longnose trevally (Carangoides chrysophrys) means "golden eyebrow"? (2008-08-16)
... that tail length is not a reliable way to identify the longtail stingray, because its tail is often damaged? (2009-12-08)
... that although Lookdown are common in tropical Atlantic waters, they are rarely seen in the Greater Antilles? (2008-05-09)
... that "gill rot" in the Lost River sucker (pictured) may be associated with ammonia contamination? (2011-10-19)
... that the rare Louisiana pancake batfish only lives in the area affected by the Deepwater Horizon oil spill? (2011-06-01)
... that the lucky iron fish is a fish-shaped ingot used to provide dietary iron to rural Cambodians who cannot afford iron-rich foods? (2014-06-01)
... that the blacktail snapper is commercially fished in Kiribati and the Ryukyu Islands? (2021-07-08)
... that mackerel have vertical stripes on their sides which may help them stay in formation when they are schooling (pictured)? (2012-04-10)
... that although Mackerel scad are found from Nova Scotia to Rio de Janeiro, they do not seem common in the Gulf of Mexico? (2008-09-11)
... that the onion-eye grenadier is often caught unintentionally when the Greenland halibut is being fished? (2012-05-12)
... that the Magosternarchus genus of knifefish eats the tails of other knifefish, and many specimens have been found with regenerated tails? (2008-12-07)
... that the inshore marine fish Malabar jack (pictured) derives its name from Malabar in South India, but can be found in coastal areas as far apart as South Africa, Japan and Vanuatu? (2007-12-08)
... that the small catfish Malapterurus beninensis uses its electric organ to stun the fishes on which it feeds? (2018-04-11)
... that despite its name, the mangrove whipray (pictured) does not usually inhabit mangroves? (2009-04-03)
... that in the 1990s, the Government of Thailand ran a short-lived captive breeding program for endangered freshwater stingrays, including the marbled whipray (pictured) and the white-edge freshwater whipray? (2010-01-23)
... that though the pearl dace faces threats such as habitat destruction, invasive species, and overharvesting, it has not yet been listed as federally endangered in the United States? (2010-05-24)
... that the Tanganyikan Spiny Eel was one of the species that was photographed as part of a FishBase mission which had the primary objective to document and photograph the rich fish diversity of Lake Tanganyika? (2010-06-15)
... that the red stingray (pictured) and the Mekong freshwater stingray are characterized by their bright orange undersides? (2009-12-09)
... that Murray's abyssal anglerfish was dredged from the deep in the Challenger expedition of 1872 to 1876? (2016-02-10)
... that although the adult southern kingcroaker is found in the Atlantic Ocean, its juveniles are often found in estuaries? (2012-03-17)
... that the northern kingcroaker is a fish that is unable to croak? (2012-03-21)
... that Methuselah likes belly rubs? (2024-11-05)
... that the Conchos trout of the Mexican native trout found in the Rio Conchos in the Sierra Madre Occidental is the only rainbow trout subspecies native to an Atlantic ocean drainage? (2014-02-16)
... that the bastard sole is a worm-eating bottom dweller? (2018-06-02)
... that South America's eyeless Micromyzon akamai is the smallest species of banjo catfish? (2007-08-14)
... that the milk shark is so named because of a belief in India that eating its meat improves lactation? (2009-09-16)
... that the Croaking Tetra is a tropical fish that "chirps" when it comes to the surface to gulp air? (2008-07-16)
... that the Mirrorwing flyingfish attaches masses of its eggs to floating debris by a series of filaments on each egg? (2009-05-17)
... that although it is not a shark, the shortfin devil ray is used in shark fin soup? (2015-01-27)
... that Munk's devil ray sometimes performs vertical leaps, somersaults and other acrobatic manoeuvres? (2015-08-31)
... that Mogurnda adspersa (pictured), a species of fish once thought to be extinct, was rediscovered in 2002? (2015-02-18)
... that the fringed filefish (pictured) and the fan-bellied leatherjacket both have dewlaps? (2015-02-02)
... that pineconefish have no apparent sexual dimorphism? (2004-08-31)
... that the Monterrey Spanish mackerel is no longer found off the coast of California? (2016-08-04)
... that the brains of Mormyrinae (pictured), a subfamily of African freshwater fish, use 60% of their body's energy, three times more than humans, the animal with the next highest percentage? (2009-06-14)
... that the barbels on the chin of the red mullet are sensory organs and used in locating prey? (2018-04-09)
... that because their range is the southernmost of all rainbowfishes, Australian rainbowfish can tolerate low winter temperatures of 10 to 15 °C (50 to 59 °F)? (2010-05-03)
... that the silver mylossoma, an Amazon basin fish, feeds on fruit and seeds? (2016-01-28)
... that the tiger snake eel uses its well-developed sense of smell to locate prey buried in the seabed? (2020-09-04)
... that the Chinese high fin banded shark (Myxocyprinus asiaticus) has 20 other common names in the aquarium trade? (2007-08-26)
... that besides delivering electric shocks, the characteristic defensive behaviour of a giant electric ray when threatened by a predator includes performing a "somersault" in the water? (2009-02-23)
... that the bignose unicornfish can change colours when frightened or asleep to help camouflage itself from predators? (2006-08-15)
... that the larval form of the bobtail snipe eel Neocyema erythrosoma was first described more than 60 years before the adult fish was discovered? (2012-05-02)
... that Hyrtl's catfish has been found in waters as warm as 38 °C (100 °F)? (2016-03-06)
... that the New Ireland stingaree is the only stingaree with dermal denticles, and may represent a new genus? (2010-09-22)
... that the New Zealand eagle ray can detect prey completely submerged in sand and create a jet of water to expose it? (2017-01-20)
... that the Niger stingray and the pincushion ray are the only two freshwater stingrays found in Africa? (2009-11-17)
... that more than 90 percent of the night sharks (pictured) caught off northeastern Brazil contain mercury concentrations higher than that considered safe by the local government? (2009-09-21)
... that the young of Nomorhamphus ebrardtii develop in the mother fish's oviduct, feeding on unfertilised eggs and their smaller siblings? (2016-03-18)
... that no more than 250 mature northern river sharks are estimated to live in the wild? (2010-01-15)
... that the Northern sennet (pictured) is the smallest of the barracudas, with many adults growing to less than 1 foot in length? (2009-07-18)
... that the northern whiting (pictured) has been declared an invasive species in the eastern Mediterranean, having passed through the Suez Canal as part of the Lessepsian migration? (2007-11-20)
... that the lanternfish Notoscopelus bolini, N. caudispinosus, N. elongatus, N. kroyeri and N. resplendens make daily vertical migrations between the deep ocean and surface waters? (2016-04-04)
... that the lanternfish Notoscopelus bolini‎, N. caudispinosus, N. elongatus, N. kroyeri and N. resplendens make daily vertical migrations between the deep ocean and surface waters? (2016-04-04)
... that juvenile and adult Novaculichthys taeniourus (pictured) are so different in appearance they have distinct common names? (2008-10-11)
... that the rough skin of the nursehound (pictured) was once used as an abrasive called "rubskin", which cost a hundred times more than sandpaper? (2009-07-27)
... that the fish Opisthoproctus soleatus has tubular eyes which point upwards? (2016-05-10)
... that the orangespotted trevally (pictured) is believed to be able to switch between silvery grey and orange-yellow colorations? (2008-08-10)
... that Blue Tilapia (pictured) have become the most widespread foreign fish in Florida waters since their introduction in 1961, and are now a serious management problem in Everglades National Park? (2008-07-04)
... that the ornate rainbowfish can survive in water as acidic as orange juice? (2019-08-14)
... that a specimen of the ornate wobbegong was observed to have its full set of teeth and be able to defend itself at one day old? (2019-03-01)
... that Ornithoprion was studied primarily using X-rays of its fossils? (2024-12-03)
... that Ossubtus xinguense is an endangered species of fish that has an unusual downturned mouth which gives the appearance of a beak? (2007-07-14)
... that ostracoderms are the earliest known vertebrate animals? (2004-10-21)
... that the Ouachita Madtom is a rare species of miniature catfish found only in central Arkansas? (2007-04-13)
... that the entire global population of the Owens pupfish was once contained in two buckets? (2011-10-06)
... that the cavefish Oxyeleotris caeca is found in surface waters during the wet season? (2025-09-16)
... that the long-finned goby is a tropical, demersal and amphidromous fish that is found in the waters of the Indo-West Pacific and Western Pacific regions? (2010-05-16)
... that the cream-spotted cardinalfish is the sole member of the new genus Ozichthys? (2014-10-22)
... that at night, the Pacific angelshark (pictured) may use bioluminescent plankton to target its prey? (2009-06-24)
... that the Australian Pacific blue-eye was described from a specimen taken to Vienna? (2015-03-17)
... that the marine fish Pacific crevalle jack is usually not found north of the Gulf of California, but may appear in San Diego Bay due to El Niño events? (2009-05-27)
... that the prolific spawning of the Pacific herring can lead to egg densities of six million eggs/m² on submerged vegetation? (2006-11-27)
... that the Pacific leaping blenny is considered a terrestrial fish, due to its ability to survive on land for several hours at a time? (2012-04-23)
... that the pacú fish (pictured) is marketed as a "vegetarian piranha" in pet stores, and was described by Theodore Roosevelt as "delicious eating"? (2006-08-11)
... that the British RSPCA now formally prosecutes individuals who are cruel to fish? (2009-09-15)
... that specimens of the fish Palatogobius grandoculus were collected as early as 1976 but not identified as a new species until 2002? (2018-08-03)
... that the extinct paddlefish Paleopsephurus was first described from the Cretaceous Hell Creek Formation? (2010-10-25)
... that the reticulated knifefish is sensitive to electric charges and uses this ability to locate objects in the vicinity? (2017-11-26)
... that the bluenose grubfish mainly feeds on crabs, fish, and gastropod molluscs? (2015-08-03)
... that the speckled sandperch changes its sex and colour markings when about 18 cm (7 in) long? (2015-04-03)
... that the lionfish genus Parapterois includes P. heterura, an attractive species uncommon in the aquarium trade, and the poorly known P. macrura? (2007-04-14)
... that Pareuchiloglanis catfishes can be distinguished from other members of the Sisoridae family only by their premaxillary tooth bands? (2007-07-27)
... that the South American knifefish Pariosternarchus amazonensis has a wide, flat-bottomed head and almost no body pigmentation? (2009-11-12)
... that the Peacock flounder can camouflage itself by matching its colors to its surroundings (process pictured)? (2010-06-02)
... that pebbled butterflyfish are aggressively territorial and will form pairs to protect their feeding area? (2010-04-15)
... that many of the world's pelagic fish species are threatened with extinction, including the devil fish? (2009-07-28)
... that the common name of the Halloween darter refers to the orange and black coloration that individuals develop during the breeding season? (2019-10-31)
... that the Roanoke darter is in no danger of mysteriously disappearing from its habitat? (2015-05-17)
... that because of its dorsal fin, Carolus Linnaeus first described the Permit as Labrus falcatus, with the latter part of the scientific name meaning "armed with scythes"? (2008-03-08)
... that dominant males of Perugia's limia (species pictured) may be so preoccupied with fighting each other that the females end up mating with the subordinate males? (2024-08-30)
... that Phallichthys (literally 'penis fish') species are so called because the males (example pictured) have "comparatively huge" sex appendages? (2023-09-07)
... that merry widows like soft bottoms? (2023-09-09)
... that the dwarf merry widow is not very brave? (2023-09-12)
... that the flathead gudgeon can be distinguished from the dwarf flathead gudgeon by its larger size and gill openings, and stripes on its sides? (2015-05-05)
... that Phreatobius cisternarum, a species of catfish, is one of the few fish species that lives underground? (2007-04-13)
... that Viktor Pietschmann's photographs of deportees during the Armenian Genocide of 1915 were unearthed in 2007? (2014-10-02)
... that the catfish Pimelodus pictus has extremely long barbels, or whiskers, that can extend past the fish's tail fin? (2010-02-25)
... that the pineapplefish (pictured) is also known as the "port-and-starboard light fish", because the two luminescent organs on its head resemble ship navigation lights? (2009-03-21)
... that Charles Darwin made descriptive notes on the Brazilian sandperch after a specimen was caught with hook and line off the coast of Patagonia during the voyage of Beagle? (2018-08-15)
... that both the silver pearlfish and the pinhead pearlfish live inside the body cavity of a sea cucumber? (2013-07-31)
... that Pinirampus pirinampu, a species of migratory catfish, is one of the most important fishery resources in certain reservoirs in its native range? (2007-06-13)
... that the male pink salmon develops a large hump on its back when it is time to spawn, leading to the species nickname "humpie"? (2005-05-13)
... that the pitted stingray is one of only two stingrays with a "W"-shaped groove on its underside? (2010-01-14)
... that the genus Platax, composed of five species of marine batfishes (orbicular batfish pictured), used to include the freshwater angelfish? (2009-01-16)
... that in the Caribbean, a small octopus mimics the bursts of swimming activity of the plate fish? (2014-06-07)
... that the specific epithet of Platycephalus endrachtensis is from an old word for Australia? (2021-12-17)
... that the bicolor molly inevitably goes off the deep end in adulthood? (2023-09-26)
... that dwarf mollies hit rock bottom when they grow up? (2023-09-13)
... that small Poecilia gillii males have longer sex organs than larger males, to facilitate mating with females that flee from them? (2023-09-11)
... that the swordtail molly (examples pictured) and the Petén molly have been named and renamed so often, one even ending up with the other's name at one point, that the swordtail molly's current scientific name means 'confusion'? (2023-10-07)
... that male mangrove mollies mate sneakily? (2024-02-13)
... that female swamp guppies (pictured) show no preference for orange or red coloration during courtship? (2024-01-29)
... that the small fish species Poecilia vandepolli existed, then it did not, and now it does again? (2024-09-24)
... that for the southern molly, sexual selection favors smaller males because they copulate by sneaking up to females? (2024-02-02)
... that when a male clearfin livebearer mates with a female headwater livebearer, the offspring are all female? (2015-12-23)
... that the blackstripe livebearer can carry several clutches of young at different stages of development at the same time? (2015-12-28)
... that the Pondicherry shark was last seen in 1979? (2010-04-10)
... that the porbeagle (pictured) has been known to "play" with kelp fronds, pieces of wood, and fishing floats? (2010-02-16)
... that although classified as a stingray, the porcupine ray (pictured) does not have a stinging spine on its tail? (2009-06-07)
... that male and female Potomac sculpins prefer to live in different habitat conditions? (2015-02-10)
... that the genus Prietella includes two threatened species of eyeless, unpigmented catfish adapted to living in caves? (2007-08-02)
... that the Longsnout butterflyfish was given three scientific names by two separate scientists when it was first described in 1860? (2007-08-14)
... that the specific name of the chaenopsid blenny Protemblemaria perla refers to both its place of discovery and to the white bands on its body? (2010-10-26)
... that the Cook Islands flashlightfish produces light with the help of bioluminescent bacteria? (2017-09-20)
... that the Port Jackson glassfish gets its common name from its transparent body? (2015-05-06)
... that Macleay's glassfish (pictured) is partly transparent? (2019-01-28)
... that the four catfish species of the genus Pseudolithoxus are only found in the Amazonas and Bolívar states of Venezuela? (2007-08-06)
... that two psychedelic frogfish were recognized as "something different" in 1992, but were not declared a new species until this year? (2009-03-10)
... that the purple eagle ray (Myliobatis hamlyni) was named after Ronald Hamlyn-Harris, director of the Queensland Museum? (2018-08-02)
... that the camouflage of the pygmy seahorse (pictured) is so effective that the original specimens were only found after their host gorgonian had been collected and placed in an aquarium? (2006-12-23)
... that the pygmy whitefish is the most trout-like freshwater whitefish? (2010-03-07)
... that the pyjama shark and the leopard catshark (pictured) ambush chokka squid by hiding in the squid's spawning grounds? (2010-05-28)
... that the queen parrotfish feeds on the algae it scrapes from corals and other surfaces, resulting in bioerosion? (2019-08-10)
... that three out of every seventy-seven rainbow runners (pictured) have five spines in their first dorsal fin, as a result of not being born with the normal six? (2007-11-20)
... that the order Rajiformes contains thirteen families including the guitarfish and skates? (2013-09-10)
... that the tropical marine fish razorbelly scad (Alepes kleinii, pictured) has a complicated taxonomic history in which the species has been described and named no less than seven times since 1793, including twice re-classified in 1833? (2008-01-11)
... that while a red Irish lord can change color, it is not a yellow Irish lord? (2019-05-23)
... that juvenile slender groupers (adult pictured) aggressively mimic harmless red-lined wrasses? (2012-05-04)
... that most red porgies change sex from female to male at some point during their lives? (2018-10-23)
... that when threatened, the redeye gaper (pictured) rapidly takes in water to swell its body? (2008-12-30)
... that the redside dace (pictured) is the only species of minnow to routinely feed on flying insects by leaping from water? (2008-02-04)
... that female Redtail Splitfin nourish their unborn young through organs known as trophotaeniae that function similar to umbilical cords in mammals? (2008-08-16)
... that the fish Echiodon rendahli has a portion of its intestine protruding from its belly, so that while living inside sponges it can defecate outside its shelter without being exposed to outside dangers? (2006-07-12)
... that the honeycomb stingray (pictured) has expanded its range into the Mediterranean Sea through the Suez Canal? (2009-04-13)
... that during feeding, the cichlid fish Retroculus lapidifer dives into the sediment with its mouth open and then expels sand through its gill chambers? (2016-01-21)
... that the rare bowmouth guitarfish (pictured) has been called "the panda of the aquatic world"? (2010-02-03)
... that the smooth trunkfish (pictured) blows a jet of water into the sandy seabed to expose the invertebrates on which it feeds? (2012-01-10)
... that blackeye gobies (pictured) are all born females, but later on become males? (2012-01-21)
... that the lizard goby holds on to rocks in fast-flowing water by means of a "sucker" formed from two fins? (2020-01-21)
... that the weedy scorpionfish can vary considerably in color as well as appendages depending on its environment? (2008-01-17)
... that the tasselled anglerfish is an ambush predator, attracting its prey with a worm-like lure? (2019-03-17)
... that it is unknown what Rhynchactis anglerfish eat or how they feed, as they have no "fishing lure" and barely any teeth? (2010-04-02)
... that ichthyologist C. Richard Robins and his wife Catherine were honoured jointly in the name of the false moray Robinsia catherinae? (2021-04-30)
... that after the holotype specimen of the Robust redhorse (pictured) was lost in the 1800s, the fish was thought to have become extinct until its rediscovery in 1991? (2008-07-18)
... that Blueside shiners and Longear sunfish work together to defend their nests from predators? (2014-08-09)
... that the embryo of the roundel skate (pictured) develops in a mermaid's purse? (2013-07-24)
... that the extensive mangrove destruction in Malaysia and Indonesia is a major threat to the endangered roughnose stingray? (2010-02-03)
... that the roughtail stingray is the largest stingray in the Atlantic Ocean, at up to 2.2 metres (7.2 ft) across and weighing 300 kilograms (660 lb)? (2009-03-31)
... that the round fantail stingray has recently colonized the Mediterranean Sea, but not as a Lessepsian migrant? (2009-11-22)
... that when threatened, the blotched fantail ray (pictured) raises its spine-bearing tail over its body and waves it back and forth? (2010-03-03)
... that although the Round scad is considered a good food fish, it is mostly caught for use as bait? (2008-10-22)
... that royal fish, such as whales and sturgeons, are property of the Queen when found on the shores of the United Kingdom? (2007-10-31)
... that the poorly studied Evermannellidae family, or Sabertooth fish, have oversized, inward curving teeth suggestive of the sabertooth cats' teeth? (2005-02-13)
... that the Splittail, a cyprinid fish native to the Central Valley in California, is the sole living member of its genus? (2006-04-14)
... that the Massachusetts House of Representatives refused to legislate until the Sacred Cod of Massachusetts was rescued from cod-nappers? (2009-04-01)
... that the salmon caught by grizzly bears (pictured) during salmon runs contribute significantly to the nitrogen cycle in adjacent woodlands where bears urinate, defecate, and drop partially eaten fish carcasses? (2011-12-31)
... that the west coast seabream and the sand steenbras (pictured) start their adult lives as males and later change sex? (2015-06-21)
... that the extinct fish Santanichthys is the oldest known member of Order Characiformes, which includes the tetras and the piranha? (2009-01-23)
... that most species of catfishes of the subfamily Sarcoglanidinae are small and transparent? (2007-07-30)
... that the sargassum fish (pictured) can increase the size of its mouth in a fraction of a second and swallow prey larger than itself? (2012-01-15)
... that a species of Brazilian cichlid is named after both Satan and Lilith? (2024-05-23)
... that although some sources state that they can weigh up to 3 pounds (1.4 kg), the largest recorded Saucereye porgy weighed only half that at 1.5 pounds (0.68 kg)? (2009-11-28)
... that the female Savannah darter lays clutches of sticky eggs that she buries in gravel or sand? (2020-01-11)
... that the globehead parrotfish (pictured) was the first parrotfish collected by Charles Darwin? (2015-05-13)
... that the school shark was at one time used as a source of vitamin A as its liver was shown to have higher levels of this vitamin than any other fish tested? (2013-09-25)
... that the spines of the false stonefish (pictured) are venomous and can inflict a painful wound? (2014-01-08)
... that female seaweed blennies deposit their eggs in a shared nest where the male fish guards them until they hatch? (2015-01-18)
... that the serpent eel (example pictured) wriggles backwards into the sandy seabed, leaving only its head visible? (2021-05-21)
... that according to recent research, the shadow trevally is one of the first fish to move in after a ship is scuttled? (2008-09-27)
... that the shagreen ray is also known as the "fuller's ray" because its spiny back resembles devices used for fulling cloth? (2008-11-30)
... that shark threat display is an exaggerated swimming style exhibited by some sharks when they perceive they are in danger? (2006-11-08)
... that in Eastern Africa and islands in the Indian Ocean, shark meat (pictured) has been a significant source of protein for centuries? (2015-09-16)
... that the international trade in shark fins of five species of threatened sharks, such as the scalloped hammerhead, has come under international protection? (2013-03-20)
... that the sharpsnout stingray is caught by subsistence fishers, but not favored as food because its meat is a dark reddish color? (2009-11-29)
... that the sharptail mola has become an important commercial fish in Taiwan, since the promotion of an ocean sunfish festival in Hualien County? (2009-03-14)
... that the male sheepshead minnow becomes much more colorful in the breeding season? (2014-02-22)
... that Atlantic herrings form immense fish schools (pictured) containing up to three billion fish? (2009-05-21)
... that the short-tail stingray is the largest stingray species in the world? (2010-09-26)
... that male Shortnose sturgeon (pictured) breed annually and live to age 30, while females breed triennially and live to age 67? (2007-08-27)
... that the shrimp scad (pictured) was first scientifically described by Swedish naturalist Peter Forsskål in 1775, who mistook it for mackerel? (2007-11-19)
... that the red-tailed goby lays its eggs in fresh water but the larvae will die if they are not washed downstream to the sea? (2016-01-25)
... that the scribbled rabbitfish (pictured) may form either heterosexual or homosexual relationships? (2015-05-25)
... that the 29 species in the fish genus Sillago are so similar they can only be positively identified by the shapes of their swim bladders? (2007-07-26)
... that the sixbar wrasse can use a rock as an anvil to break up its food? (2017-12-14)
... that everything biologists know about the Small-eyed whiting (Sillago microps) came from studies conducted on two specimens found at a market in Taipei in 1985? (2007-10-17)
... that studies of the inshore marine fish small-scale whiting (Sillago parvisquamis, pictured) suggest the female starts life smaller than the male, but grows faster and is larger than the male within two years? (2007-12-29)
... that although the first specimen of the smallmouth scad, a tropical fish endemic to northern Australia, was already taken in 1984 and deposited in the Queensland Museum, it was not officially named till 1987? (2007-11-08)
... that the smallscale archerfish does not need brackish water like other members of genus Toxotes, and is thus sometimes sold as a "freshwater archerfish"? (2010-03-10)
... that individual smalltooth sand tigers have been documented returning to the same ___location off Lebanon every summer? (2009-05-04)
... that eating the smooth toadfish (pictured) can be fatal? (2015-04-08)
... that adult and juvenile snake mackerels both make daily vertical migrations, but in opposite directions? (2009-03-15)
... that the snakeskin gourami is one of Thailand's five most important aquacultured freshwater species? (2007-05-26)
... that while normally a scavenger, the snubnosed eel (pictured) also burrows into the bodies of larger fish to feed, and two specimens were found inside the heart of a shortfin mako shark in 1992? (2009-03-15)
... that Sommen charrs are a relict population that has survived because of Lake Sommen's great depth, and its cold and oxygen-rich waters? (2019-07-19)
... that the first known specimen of the Soringa whiting was caught by accident in 1982 during a taxonomic survey of ladyfish in the Indian Ocean? (2008-06-08)
... that Sorubim is a genus of catfish with shovel-shaped long noses? (2007-04-12)
... that the southern African frilled shark preys mainly on smaller sharks, which it swallows whole with its greatly distensible mouth? (2009-09-20)
... that the Southern sennet, a member of the Barracuda family, has been linked to ciguatera poisoning? (2009-07-30)
... that the spadenose shark (pictured) exhibits the most advanced form of placental reproduction in fishes? (2009-09-06)
... that fish ladders are constructed so that salmon can navigate past hydroelectric dams on their way to spawn? (2011-02-12)
... that it is uncertain where adult speartooth sharks (pictured) live, as none have been captured? (2010-09-23)
... that fish found in the demersal zone include the spiny-back eel (pictured), the whitesaddled and speckled catshark, the whitenose whipray, and the whitespotted grouper? (2016-08-01)
... that both the picarel and the blotched picarel start life as females but later change sex? (2014-04-23)
... that the Spined Loach is able to breathe through its intestine during times of oxygen scarcity, and can inflict an excruciating sting with the two-pointed spike under its eyes? (2005-08-15)
... that the spinner shark is named for the spinning leaps it makes out of the water as part of its feeding strategy? (2009-05-16)
... that the spiny butterfly ray stuns its prey with blows from its wing-like pectoral fins? (2009-03-11)
... that the spot-tail shark can produce as many as eight pups after a gestation period of ten months? (2014-09-04)
... that although Spottail pinfish are known from both south Florida and the Gulf of Mexico, there are no confirmed reports of them from the West Indies? (2009-10-12)
... that the spotted blue-eye (pictured) has been found in water of pH 3.68 to 9.4? (2015-03-31)
... that the spotted houndshark, the speckled smooth-hound and the humpback smooth-hound are known as "tollo" and used for human consumption? (2014-09-09)
... that prey of the spotted wobbegong (pictured) have been known to approach its mouth and nibble on its tentacles? (2019-02-27)
... that Squatina mapama was named after Spain's Ministry of Agriculture and Fisheries, Food and Environment? (2022-03-02)
... that the Canary Islands are one of the few places left where there are still substantial numbers of angelsharks (pictured), once common all around Europe? (2009-07-17)
... that 15 star pearlfish were found living inside a single leopard sea cucumber? (2012-01-26)
... that the starry smooth-hound is not a heavenly body or a dog? (2013-09-06)
... that the beau gregory (pictured), a small damselfish, maintains a territory and drives away intruders? (2012-01-06)
... that the catfish genus Steindachneridion was named after its discoverer, the Austrian zoologist Franz Steindachner? (2007-05-30)
... that Steinitz' prawn goby shares a burrow excavated by a shrimp? (2012-11-08)
... that increased breeding of the threadsail filefish (pictured) to enhance the stock has caused genetic differentiation between its hatchery and ocean populations? (2012-01-12)
... that the planehead filefish (pictured) has a retractable spine on its head from which its age can be determined? (2012-01-17)
... that male and female Sternarchogiton nattereri knifefish are so different that males were thought to be members of a different genus for 40 years? (2008-12-16)
... that the diaphanous hatchetfish (diagram pictured) is not fussy about what prey it eats? (2016-03-16)
... that the scaly dragonfish is bioluminescent and has light-emitting photophores which can be turned on and off? (2013-06-22)
... that the stoplight loosejaw is the only known animal that uses chlorophyll to see? (2009-03-15)
... that almost the entirety of the Australian stout whiting catch is exported to various Asian countries? (2008-07-27)
... that scientists accidentally created a hybrid of two endangered fish species, called the sturddlefish? (2020-08-17)
... that sturgeons are ancient fishes, widely sought after for caviar and more critically endangered than any other group of animal species? (2019-05-18)
... that male surf bream become female after the spawning season? (2015-10-12)
... that the swellshark bends its body in a U-shape and sucks in water to double in size and avoid attacks from predators? (2009-06-21)
... that the species name Symphurus thermophilus means "heat lover", referring to the organism's association with hydrothermal vents? (2008-12-26)
... that the marbled swamp eel can live out of water for at least six months? (2016-01-27)
... that the eyes of the sand diver (pictured) have an iridescent surface layer? (2014-11-09)
... that despite commonly being caught with a hook and line, the holotype of the Rapa Nui lizardfish was instead collected with a spear? (2024-04-13)
... that when captured, the tawny nurse shark (pictured) often spits a jet of water into the faces of its captors? (2009-06-14)
... that the Tecopa pupfish was the first animal delisted under the Endangered Species Act because of its extinction? (2011-05-09)
... that before it was scientifically described, the stingray Dasyatis acutirostra was often confused with Dasyatis zugei? (2010-01-15)
... that the little-known South American knifefish Tembeassu marauna has large, fleshy extensions at the tips of its jaws? (2009-11-10)
... that the deep-sea anglerfish Thaumatichthys (pictured) has been called "one of the oddest creatures in the teeming variety of the fish world"? (2008-12-13)
... that fossil Thelodont fish (depiction pictured) surprised scientists by showing that stomachs evolved before jaws? (2007-11-04)
... that Torrent Suckers have nearly triangular lower lip edges? (2015-04-12)
... that the thornback cowfish has plate-like scales which are fused together to form a solid, box-like carapace? (2019-02-02)
... that the thorntail stingray (pictured) is one of the subjects of potential stingray ecotourism at Hamelin Bay, Western Australia? (2010-01-20)
... that Heckell's thread-finned acara is a South American freshwater fish that has turned up in Singapore? (2016-08-12)
... that the threadfin jack (pictured) has been found at a number of archaeological sites in Central America, indicating this species has been caught by humans for food for at least three millennia? (2008-10-03)
... that the tidepool sculpin can leave the rock pool in which it lives, and breathe air? (2017-11-17)
... that the Devonian stem tetrapod Tinirau clackae, transitional between fish and land vertebrates, was named after the half-human half-fish character Tinirau in Polynesian legend? (2012-04-05)
... that the critically endangered totoaba, a member of the drum family which weighs up to 100 kg, is found only in the northern end of the Sea of Cortez? (2007-07-17)
... that females of the species Toxotes chatareus may lay between 20,000 and 150,000 eggs at a time? (2010-03-24)
... that the Kimberley archerfish has a range that extends 300 kilometres (190 mi) upstream in the Fitzroy River system and has been observed as far inland as Geikie Gorge National Park? (2016-05-29)
... that Gilbert Whitley thought Toxotes lorentzi was more primitive than other archerfish because it lacks the distinctive side markings characteristic of its genus? (2016-05-05)
... that the catfish Trachelyopterus insignis has several local names, being referred to as both a "maiden" and a "goat"? (2017-04-15)
... that although it is used in aquaculture, there are only two known cases of Palometa being traded as aquarium fish over a five-year period? (2008-04-15)
... that Trichogenes claviger (examples pictured) can climb nets using outgrowths from its head? (2025-07-21)
... that nasal dwarfgobies live for only three months? (2014-12-01)
... that the bluestripe pygmygoby was named after a ship? (2014-12-11)
... that T. vagina have eyes hidden behind their skin? (2012-04-01)
... that the tsunami fish (pictured) drifted thousands of miles on a ghost ship wrecked by the 2011 Tōhoku earthquake and tsunami before being discovered on the coast of Washington? (2014-01-05)
... that the tubemouth whipray can protrude its jaws to form a tube longer than its mouth is wide? (2010-09-01)
... that Typhleotris mararybe is the world's only cave fish that is both blind and darkly pigmented? (2013-08-13)
... that the Vadigo, a species of carangid fish, is believed to be expanding its range in the Mediterranean Sea? (2008-06-30)
... that the velvet belly lantern shark (pictured) has proteins in its liver that can detoxify heavy metals such as cadmium, copper, mercury, and zinc? (2009-07-02)
... that the Verlorenvlei redfin, having lost one of its two habitats, now faces threats from agriculture and invasive species? (2014-12-24)
... that the Panama lightfish and the slender lightfish make large vertical migrations each day? (2016-03-10)
... that the Dragon Goby, which looks like a tiny dragon, is actually an almost blind and totally harmless fish? (2009-05-03)
... that the deep water barreleye fish (pictured) is so named because of its unusual visual system which uses barrel-shaped, telescopic eyes that are generally directed upwards? (2011-10-04)
... that walking fish can actually skip, crawl, slither, and even climb trees? (2006-11-14)
... that Warming's lantern fish spends the day at depths and ascends at night to feed on mats of diatoms near the sea surface? (2018-02-27)
... that the Weberian apparatus, a set of modified bones that link the swim bladder and inner ear of some fishes, is a distinguishing characteristic of the superorder Ostariophysi? (2009-01-27)
... that underwater thumps and moans in a West African swamp may indicate the presence of certain air-breathing fish? (2018-01-03)
... that the Yellowspotted catshark and the West African catshark both lay eggs enclosed in egg cases? (2013-09-04)
... that the large intestine of the Western Atlantic seabream (pictured) makes up roughly 90% of the fish's entire digestive tract? (2009-10-24)
... that Mustelus hacat is a species of smooth-hound shark discovered in 2003 in the Sea of Cortez, off the coast of Mexico? (2006-03-08)
... that the female whitecheek shark gives birth to a litter of up to four live young? (2013-10-14)
... that the whitefin dogfish has light-producing organs on its upper eyelids? (2009-03-16)
... that the deep water offshore fish whitefin trevally (pictured) has excellent eyesight in the dark due to the presence of tapetum in its eyes? (2008-11-02)
... that the wimple piranha is a specialized predator whose diet consists primarily of fish scales? (2007-07-13)
... that The World's 100 Most Threatened Species includes one (pictured) with only five surviving mature individuals? (2012-09-25)
Woundfin (article's talk page missing blurb) (2006-07-20)
... that Xiphophorus milleri only rarely eats its young? (2023-05-11)
... that female pygmy swordtails prefer male Panuco swordtails, which court them, to males of their own species (pictured), which merely sneak up on them? (2023-05-02)
... that Xiphophorus signum is the only swordtail not known to hybridise with other species? (2024-10-21)
... that the flameback coral shrimp is often found in close proximity to the yellow-edged moray eel, suggesting that they may have a cleaning symbiosis? (2021-01-17)
... that the yellowfin whiting is so popular for recreational fishing that recreational catches have represented nearly a third of the catch in its Southern Australian range? (2008-09-21)
... that the yellowhead wrasse changes both colour and sex during its life? (2012-04-20)
... that the Yellowspotted trevally is a species of inshore marine fish of the family Carangidae found in the Indo-Pacific region? (2008-11-02)
... that the disappearance of jellyfish from Kāne'ohe Bay has generated concerns about maintenance of the local yellowtail scad population? (2008-02-06)
... that yellowtail trumpeter, a coastal marine fish tolerant to a very wide salinity range, because of its poor taste is considered a nuisance in Australia by many fishermen who target bream in estuaries? (2007-09-13)
... that the zebra shark (pictured) is striped when young and spotted when mature? (2009-05-20)
... that the Australian angelshark is not easily caught by line-fishing or netting because it usually lies immersed in the sediment on the seabed? (2013-09-28)
... that Roger Sant, after whom Liopropoma santi (the spot-tailed golden bass) (pictured) was named, participated in a manned submersible dive in which an exemplar of the fish was collected? (2014-10-27)
... that the first successful artificial insemination of a shark was performed in the cloudy catshark (pictured)? (2009-04-28)
... that the longhead catshark is the only known cartilaginous fish that normally has both male and female reproductive systems? (2010-10-26)
... that narrowmouthed catsharks are unusual in displaying heterodont dentition, with males and females having differently shaped mouths and teeth? (2016-07-21)
... that the narrowtail catshark is thought to be a pedomorphic dwarf? (2016-06-29)
... that although the slender catshark only grows to about 70 centimetres (28 in), the dermal denticles of other sharks have been found in its stomach? (2013-10-19)
... that the isopod Anilocra pomacentri lives as an external parasite of the yellowback puller? (2014-06-22)
... that the Longfin Bannerfish can clean parasites off other fish? (2006-10-29)
... that the Portuguese dogfish (pictured) is the deepest-living shark known, found as far down as 3,675 m (2.284 mi)? (2009-11-16)
... that yellowtail flounders are able to camouflage and mimic the seafloor? (2021-10-21)
... that the name Flying fox refers to bats as well as a freshwater algae-eating aquarium fish? (2007-08-26)
... that although Atka mackerel are most common to the Bering Sea, they have been reported as far south as Redondo Beach, California? (2009-09-17)
... that there are seven known subspecies of Keeltail needlefish, each being found in a specific region? (2008-06-17)
... that nearly 350,000 metric tons of Pacific ocean perch (pictured) were caught in the Gulf of Alaska by Soviet and Japanese trawling fleets in 1965? (2006-08-04)
... that Pluma porgies are the most common member of the genus Calamus in the Antilles, where they are often used for food? (2010-02-03)
... that despite having a wide distribution in shallow seas, the pufferfish Arothron multilineatus was not described until 2016? (2018-06-16)
... that the spearfish remora lives attached to a host fish? (2015-09-29)
... that although the torpedo scad (pictured) is of major importance to Indian fisheries and extensively studied in that country, worldwide catch statistics for the species do not include India? (2009-10-28)
... that under adverse conditions, the fluffy sculpin (pictured) can leave its rock pool and breathe air? (2017-12-04)
... that the Galapagos shark is often the most abundant shark around oceanic islands? (2009-05-05)
... that the whitespot ghost shark is known from only four specimens in the Galápagos Islands? (2019-01-08)
... that the closure of the Tethys Sea 10–14 million years ago led to the sicklefin lemon shark (pictured) and the lemon shark becoming separate species? (2009-09-03)
... that rainbow sharks are Cyprinids, making them relatives of goldfish, carp and minnows? (2007-08-24)
... that the whitetip reef shark (pictured) may have contributed to the Hawaiian myth of ʻaumākua, family guardian spirits, due to the "loyalty" of sharks that stay in the same area for years? (2009-08-18)
... that the silky shark (pictured) is the most common source of ornamental shark jaws sold to tourists in the tropics? (2009-09-18)
... that the Brazos River habitat of the Sharpnose Shiner is being changed by inflow from lake reservoirs, including that of the Possum Kingdom? (2013-11-25)
... that the barndoor skate (pictured) is a species of fish that is threatened with extinction from overfishing despite not being targeted by the commercial fishing industry? (2006-11-18)
... that the little skate pushes itself along the sea floor using a pair of leg-like fin lobes, a mode of locomotion known as "punting"? (2009-03-22)
... that mottled skate (pictured) is commonly served at weddings in South Korea? (2010-04-06)
... that the flesh and fins of the spotless smooth-hound are much esteemed? (2014-08-28)
... that before its scientific description in 2004, the groovebelly stingray had been misidentified as either the bluntnose stingray or the common stingray? (2009-11-19)
... that the smalleye stingray may have convergently evolved a shape and swimming mode akin to that of manta rays? (2010-01-12)
... that the marlin sucker often clings onto its host fish in pairs, with a male under one gill cover and a female under the other? (2016-01-22)
... that the white suckerfish responds to a touch on its belly by forcefully erecting its pelvic fins? (2008-11-19)
... that Australian fishermen often refer to the Western school whiting as "bastard whiting" because its presence in the catch reduces the presence of targeted species? (2008-06-18)

Total pages in content type is 808

Featured pictures

2017, cuba, jardines aggressor, los indios, nassau grouper maw (36883128693)
2017, cuba, jardines aggressor, playa bonita, spineyhead blennie (23700572188)
Altolamprologus compressiceps - Karlsruhe Zoo 01
Andinoacara rivulatus - Karlsruhe Zoo 01 edit1
Anemone purple anemonefish
Antler coral (Pocillopora grandis) with blue damselfish (Pomacentrus pavo) Moorea
Apogónido (Ostorhinchus aureus), islas Ad Dimaniyat, Omán, 2024-08-15, DD 05
Arnoglossus laterna larva
Astronotus ocellatus
Atlantic Spadefish PLW edit
Australian blenny
Balantiocheilos melanopterus - Karlsruhe Zoo 02
Barrilete negro (Euthynnus lineatus), San José del Cabo, Baja California, México, 2024-12-21, DD 16
Blacktip reef shark (Carcharhinus melanopterus) Moorea
Blénido trescolas (Helcogramma striata), Anilao, Filipinas, 2023-08-25, DD 40
Borracho mono (Ophioblennius steindachneri), Cabo San Lucas, Baja California, México, 2024-12-18, DD 80
Botete cara de perro (Arothron nigropunctatus), Anilao, Filipinas, 2023-08-25, DD 64
Caesio teres in Fiji by Nick Hobgood
Chaetodon melannotus edit4
Chain moray eel
Chaunax stigmaeus dorsal view2
Faneca (Trisopterus luscus), Parque natural de la Arrábida, Portugal, 2022-07-29, DD 43
Fire dartfish (Nemateleotris magnifica) (43372442502)
Flounder camo md
Flughahn
Gallito (Stephanolepis hispidus), franja marina Teno-Rasca, Tenerife, España, 2022-01-06, DD 16
Georgia Aquarium - Giant Grouper
Gymnocephalus cernuus Pärnu River Estonia 2010-01-06
Hippocampus hippocampus (on Ascophyllum nodosum)
Hypoplectrus guttavarius - Wilhelma 01
Icefishuk
Isurus oxyrinchus Machoire
Koi feeding, National Arboretum
Lenguado (Pardachirus marmoratus), Zanzíbar, Tanzania, 2024-05-31, DD 32
Leopard shark in kelp
Lábrido tablero a cuadros (Halichoeres hortulanus), mar Rojo, Egipto, 2023-04-19, DD 43
MC Rotfeuerfisch
Macropodus opercularis - side (aka) edit
Maroc Marrakech Agdal Luc Viatour 1
Mero (Epinephelus marginatus), Cabo de Palos, España, 2022-07-15, DD 34
Moma amarilla (Tripterygion delaisi), Parque natural de la Arrábida, Portugal, 2022-07-20, DD 29
Moma amarilla (Tripterygion delaisi), Parque natural de la Arrábida, Portugal, 2022-07-29, DD 32
Morena del Mediterráneo (Muraena helena), Regga, Gozo, Malta, 2021-08-23, DD 14
Paracirrhites forsteri Forsters Hawkfish juvenile Papua New Guinea by Nick Hobgood
Pargo Coconaco (Hoplopagrus guentherii), Cabo Pulmo, Baja California, México, 2024-12-19, DD 24
Peacock Flounder Bothus mancus in Kona
Pennant coralfish melb aquarium edit2
Petaca banderita (Abudefduf troschelii), Cabo San Lucas, Baja California, México, 2024-12-18, DD 101
Pez ballesta (Balistes capriscus), Parque natural de la Arrábida, Portugal, 2020-07-23, DD 24
Pez ballesta ondulado (Balistapus undulatus), mar Rojo, Egipto, 2023-04-15, DD 45
Pez cocodrilo (Papilloculiceps longiceps), parque nacional Ras Muhammad, Egipto, 2022-03-27, DD 71
Pez globo (Arothron stellatus), Ras Katy, Sharm el-Sheij, Egipto, 2022-03-26, DD 119
Pez lija pintado (Aluterus scriptus), mar Rojo, Egipto, 2023-04-19, DD 47
Pez murciélago orbicular (Platax orbicularis), mar Rojo, Egipto, 2023-04-19, DD 01
Pez ángel (Apolemichthys trimaculatus), Zanzíbar, Tanzania, 2024-05-30, DD 74
Pez ángel de barra amarilla (Pomacanthus maculosus), parque nacional Ras Muhammad, Egipto, 2022-03-26, DD 138
Pez ángel emperador (Pomacanthus imperator), mar Rojo, Egipto, 2023-04-17, DD 104
Pez ángel real (Pygoplites diacanthus), parque nacional Ras Muhammad, Egipto, 2022-03-26, DD 155
Pink whipray (Pateobatis fai) Moorea
Platax Orbicularis in the Egyptian Red Sea
Porcupine ray from Lakshadweep JJH edit
Psetta maxima Luc Viatour
Pterois volitans Manado-e edit
Ptychochromis insolitus - Wilhelma 01
Puffin (Fratercula arctica) with lesser sand eels (Ammodytes tobianus)
Pygocentrus nattereri - Karlsruhe Zoo 01
Ranisapo de Commerson (Antennarius commerson), Zanzíbar, Tanzania, 2024-05-31, DD 10
Raya de arrecife (Taeniura lymma), mar Rojo, Egipto, 2023-04-14, DD 64
Red Fish at Papahānaumokuākea (cropped)
Rhinogobius flumineus(Hamamatsu,Shizuoka,Japan)
Sabella pavonina - Hippocampus hippocampus - Porto Cesareo, Italy (DSC2314M)
Salmonete de roca (Mullus surmuletus), Parque natural de la Arrábida, Portugal, 2020-07-21, DD 59
Salmonlarvakils
Seahorse Skeleton Macro 8 - edit
Sketchbook of fishes - 25. (Longnose) Saw shark - William Buelow Gould, c1832
Snowflake moray in Kona
Spotted Trunkfish
Stargazer snake eel (Brachysomophis cirrocheilos) (14419490013)
Symphorichthys spilurus - Wilhelma 01
Synchiropus splendidus 2 Luc Viatour
Thrissops cf formosus 01
White shark
Wirecoral goby
Zebrasoma flavescens Luc Viatour
Ídolo moro (Zanclus cornutus), Anilao, Filipinas, 2023-08-25, DD 233

Total pages in content type is 85

Former featured pictures

Arowana
Balistapus undulatus (Nausicaä)
Common clownfish
Phyllopteryx taeniolatus1

Total pages in content type is 4

Featured portals

Total pages in content type is 2

In the News articles

Chinese paddlefish (2022-07-22)
Greenland shark (2016-08-12)
Lampris guttatus (2015-05-16)

Total pages in content type is 3

Main page featured articles

American paddlefish (2014-12-24)
Clownfish (2025-10-04)
Cretoxyrhina (2019-11-04)
Cutthroat trout (2014-06-13)
Electric eel (2022-11-28)
Goblin shark (2013-11-24)
A History of British Fishes (2023-05-26)
Manta ray (2014-07-27)
Megalodon (2018-07-22)
Ocean sunfish (2008-04-25)
Oceanic whitetip shark (2007-07-26)
Pacific blue-eye (2021-01-05)
Pallid sturgeon (2015-12-11)
Pigeye shark (2013-09-10)
Porbeagle (2012-10-28)
Queen angelfish (2022-05-11)
Rainbow trout (2015-01-23)
Smooth toadfish (2016-07-31)
Teleost (2017-08-02)
Tetraodontidae (2004-08-06)
Francis Willughby (2020-03-29)
Silky shark (2010-08-13)

Total pages in content type is 22

Picture of the day pictures

2017, cuba, jardines aggressor, playa bonita, spineyhead blennie (23700572188) (2023-09-10)
Altolamprologus compressiceps - Karlsruhe Zoo 01 (2022-05-17)
Andinoacara rivulatus - Karlsruhe Zoo 01 edit1 (2022-12-26)
Anemone purple anemonefish (2017-08-22)
Arnoglossus laterna larva (2012-08-09)
Arowana (2006-03-26)
Astronotus ocellatus (2007-06-04)
Atlantic Spadefish PLW edit (2012-03-16)
Australian blenny (2012-04-10)
Balantiocheilos melanopterus - Karlsruhe Zoo 02 (2023-10-12)
Balistapus undulatus (Nausicaä) (2012-10-27)
Caesio teres in Fiji by Nick Hobgood (2017-03-15)
Chaetodon melannotus edit4 (2012-09-20)
Chain moray eel (2017-09-22)
Chaunax stigmaeus dorsal view2 (2012-11-10)
Common clownfish (2004-09-05)
Fire dartfish (Nemateleotris magnifica) (43372442502) (2022-09-26)
Flounder camo md (2006-12-13)
Flughahn (2016-06-15)
Gallito (Stephanolepis hispidus), franja marina Teno-Rasca, Tenerife, España, 2022-01-06, DD 16 (2024-12-14)
Georgia Aquarium - Giant Grouper (2006-08-24)
Gymnocephalus cernuus Pärnu River Estonia 2010-01-06 (2013-04-16)
Hippocampus hippocampus (on Ascophyllum nodosum) (2015-02-16)
Hypoplectrus guttavarius - Wilhelma 01 (2024-03-31)
Icefishuk (2004-07-28)
Isurus oxyrinchus Machoire (2016-02-25)
Koi feeding, National Arboretum (2016-12-29)
Lenguado (Pardachirus marmoratus), Zanzíbar, Tanzania, 2024-05-31, DD 32 (2025-08-27)
Leopard shark in kelp (2009-11-28)
Lábrido tablero a cuadros (Halichoeres hortulanus), mar Rojo, Egipto, 2023-04-19, DD 43 (2025-07-10)
MC Rotfeuerfisch (2008-06-02)
Macropodus opercularis - side (aka) edit (2008-11-19)
Maroc Marrakech Agdal Luc Viatour 1 (2017-04-05)
Mero (Epinephelus marginatus), Cabo de Palos, España, 2022-07-15, DD 34 (2025-10-02)
Morena del Mediterráneo (Muraena helena), Regga, Gozo, Malta, 2021-08-23, DD 14 (2025-01-04)
Paracirrhites forsteri Forsters Hawkfish juvenile Papua New Guinea by Nick Hobgood (2017-05-30)
Peacock Flounder Bothus mancus in Kona (2012-02-14)
Pennant coralfish melb aquarium edit2 (2007-01-15)
Pez ballesta (Balistes capriscus), Parque natural de la Arrábida, Portugal, 2020-07-23, DD 24 (2023-11-19)
Pez ballesta ondulado (Balistapus undulatus), mar Rojo, Egipto, 2023-04-15, DD 45 (2025-02-06)
Pez cocodrilo (Papilloculiceps longiceps), parque nacional Ras Muhammad, Egipto, 2022-03-27, DD 71 (2024-11-05)
Pez globo (Arothron stellatus), Ras Katy, Sharm el-Sheij, Egipto, 2022-03-26, DD 119 (2023-10-24)
Pez lija pintado (Aluterus scriptus), mar Rojo, Egipto, 2023-04-19, DD 47 (2025-10-09)
Pez ángel de barra amarilla (Pomacanthus maculosus), parque nacional Ras Muhammad, Egipto, 2022-03-26, DD 138 (2024-09-16)
Pez ángel emperador (Pomacanthus imperator), mar Rojo, Egipto, 2023-04-17, DD 104 (2025-07-24)
Pez ángel real (Pygoplites diacanthus), parque nacional Ras Muhammad, Egipto, 2022-03-26, DD 155 (2024-08-13)
Phyllopteryx taeniolatus1 (2005-03-11)
Platax Orbicularis in the Egyptian Red Sea (2014-11-28)
Porcupine ray from Lakshadweep JJH edit (2020-11-13)
Psetta maxima Luc Viatour (2010-05-11)
Pterois volitans Manado-e edit (2008-04-18)
Ptychochromis insolitus - Wilhelma 01 (2025-01-28)
Pygocentrus nattereri - Karlsruhe Zoo 01 (2022-12-01)
Raya de arrecife (Taeniura lymma), mar Rojo, Egipto, 2023-04-14, DD 64 (2025-05-26)
Red Fish at Papahānaumokuākea (cropped) (2023-11-17)
Rhinogobius flumineus(Hamamatsu,Shizuoka,Japan) (2020-01-14)
Sabella pavonina - Hippocampus hippocampus - Porto Cesareo, Italy (DSC2314M) (2025-06-16)
Salmonete de roca (Mullus surmuletus), Parque natural de la Arrábida, Portugal, 2020-07-21, DD 59 (2023-12-03)
Salmonlarvakils (2007-01-04)
Seahorse Skeleton Macro 8 - edit (2007-12-12)
Sketchbook of fishes - 25. (Longnose) Saw shark - William Buelow Gould, c1832 (2013-01-24)
Snowflake moray in Kona (2009-12-31)
Spotted Trunkfish (2020-08-02)
Stargazer snake eel (Brachysomophis cirrocheilos) (14419490013) (2021-08-04)
Symphorichthys spilurus - Wilhelma 01 (2024-08-22)
Synchiropus splendidus 2 Luc Viatour (2008-10-13)
Thrissops cf formosus 01 (2012-02-23)
White shark (2007-10-07)
Wirecoral goby (2014-06-19)
Zebrasoma flavescens Luc Viatour (2014-09-27)

Total pages in content type is 70