Biology:Crotalus angelensis

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Short description: Species of snake

Crotalus angelensis
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Crotalus
Species:
C. angelensis
Binomial name
Crotalus angelensis
Klauber, 1963
Mexico - Isla Ángel de la Guarda.PNG
Location of Ángel de la Guarda Island
Synonyms
  • Crotalus angelensis Klauber, 1963
  • Crotalus mitchellii angelicus
    – Hoge, 1966
  • Crotalus mitchellii angelensis
    – Hoge & Romano-Hoge, 1981
  • Crotalus mitchellii angelensis
    – McCrystal & McCoid, 1986[2]

Crotalus angelensis, or the Ángel de la Guarda Island speckled rattlesnake,[3] is a pitviper species[4][5] endemic to Isla Ángel de la Guarda in the Gulf of California, Mexico.[5] Like all other pitvipers, it is venomous. It is sometimes treated as a subspecies of Crotalus mitchellii.[1]

Description

Grows to a maximum size of 137 centimetres (4 ft 6 in).[3]

Geographic range

Found only on Isla Ángel de la Guarda in the Gulf of California, Mexico.[3] The type locality given is "about 4 miles [6 km] southeast of Refugio Bay, at 1,500 feet [460 m] elevation, Isla Ángel de la Guarda, Gulf of California, Mexico (near 29°29½'N, 113°33'W)".[2][5]

Habitat

Gravelly beaches along the shore; rocky arroyos, washes, and on the hillsides of the island's interior, from sea-level up to 500 m.[1]

Conservation status

This species is classified as "Least Concern" (LC) on the IUCN Red List of Threatened Species. It occurs in a protected area and is very abundant within its small range.[1]

References

  1. 1.0 1.1 1.2 1.3 Frost, D.R. (2007). "Crotalus angelensis". The IUCN Red List of Threatened Species (IUCN) 2007: e.T64309A12762496. doi:10.2305/IUCN.UK.2007.RLTS.T64309A12762496.en. http://www.iucnredlist.org/details/64309/0. Retrieved 10 January 2018. 
  2. 2.0 2.1 McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN:1-893777-00-6 (series). ISBN:1-893777-01-4 (volume).
  3. 3.0 3.1 3.2 Klauber LM. 1997. Rattlesnakes: Their Habitats, Life Histories, and Influence on Mankind. Second Edition. 2 volumes. Reprint. University of California Press. Berkeley. ISBN:0-520-21056-5.
  4. "Crotalus mitchellii angelensis". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=635181. Retrieved 13 September 2007. 
  5. 5.0 5.1 5.2 Crotalus angelensis at the Reptarium.cz Reptile Database. Accessed 13 September 2007.

Further reading

  • Klauber, L.M. 1963. A new insular subspecies of the speckled rattlesnake. Trans. San Diego Soc. Nat. Hist. 13: 73-80.

Wikidata ☰ Q60512695 entry