Heloderma exasperatum: Difference between revisions

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| name = Rio Fuerte beaded lizard<ref name="itis">{{ITIS|id=716555|taxon=''Heloderma exasperatum ''|access-date=10 May 2021}}</ref>

| image = Heloderma exasperatum exposé au Palais de la Découverte en août 2019.jpg

| image_caption = At [[Palais de la Découverte]], [[France]]

| status = CITES_A2

| status_system = CITES

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}}

The '''Rio Fuerte beaded lizard''' ('''''Heloderma exasperatum''''') is a [[venom]]ous [[species]] of beaded lizard in the [[Family (biology)|family]] [[Helodermatidae]]. It is found in the tropical forests and shrublands of western [[Mexico]], specifically around the [[Fuerte River|Rio Fuerte]] and Rio Mayo basins. It is often found in or near abandoned mammal burrows and sources of water.<ref>{{cite web|url=https://www.lpzoo.org/animal/rio-fuerte-beaded-lizard/|title=Rio Fuerte Beaded Lizard|website=Lincoln Park Zoo}}</ref><ref name="monaco">{{cite web|url=https://www.monaconatureencyclopedia.com/heloderma-exasperatum/?lang=en|title=''Heloderma exasperatum ''. Monaco Nature Encyclopedia |last=Venturini|first=Giorgio|translator=Mario Beltramini |date=October 28, 2012}}</ref>

==Geographic range==

''H. exasperatum'' is found in southwestern [[Chihuahua (state)|Chihuahua]] and southern [[Sonora]], Mexico.,<ref name=RDB/> up to an altitude of {{convert|1,400|m|ft|abbr=on}}.<ref name="iucn status 12 November 2021"/>

==Description==

As an adult, the Rio Fuerte beaded lizard ranges from 60 to 90 cm (23.6 to 35.4 in) in total length (including tail). It can weigh up to 4 kg (8.8 lb). It is very similar to the [[Mexican beaded lizard]] in appearance and size.<ref name="monaco"/>

==Diet==

''H. exasperatum'' feeds mainly on reptile eggs, but also eats bird eggs, and nestlings of birds and mammals.<ref name="iucn status 12 November 2021"/>

==Reproduction==

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==Taxonomy==

The Rio Fuerte beaded lizard is a member of the family [[Helodermatidae]]. The species was formerly considered a subspecies of the [[Mexican beaded lizard]], which is its closest living relative, but was elevated to full species status in 2013.<ref>{{cite journal|url=https://www.researchgate.net/publication/260706659_Taxonomic_reassessment_and_conservation_status_of_the_beaded_lizard_Heloderma_horridum_Squamata_Helodermatidae260706659 |author=Reiserer, R.S. |author-link=species:Randall S. Reiserer |author2=Beck, D.D. |author2-link=species:Daniel D. Beck |author3=Schuett, G.W. |author3-link=species:Gordon W. Schuett |title=(PDF) Taxonomic reassessment and conservation status of the beaded lizard, ''Heloderma horridum'' (Squamata: Helodermatidae) |journal=Amphibian and Reptile Conservation |volume=7 |issue=1 |date= 2013|pages=74–96 |accessdate=2021-05-11}} (''Heloderma exasperatum'', new taxonomic status).</ref>

==Etymology==

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The specific name, ''exasperatum'', means "completely rough" in Latin.<ref name="monaco"/>

== References ==

{{Reflist}}

==Further reading==

*[[Charles Mitchill Bogert|Bogert CM]], [[species:Rafael Martín del Campo|Martín del Campo R]] (1956). "The Gila Monster and its Allies: The Relationships, Habits, and Behavior of the Lizards of the Family Helodermatidae". ''Bulletin of the American Museum of Natural History'' '''109''': 1–238. (''Heloderma horridum exasperatum'', new subspecies, pp. 28–32).

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[[Category:Helodermatidae]]

[[Category:Endemic faunareptiles of Mexico]]

[[Category:ReptilesSonoran–Sinaloan oftransition Mexicosubtropical dry forest]]

[[Category:Venomous lizards]]

[[Category:Lizards of North America]]