Crotalus mitchellii angelensis

Crotalus mitchellii angelensis
Conservation status
Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Subfamily:	Crotalinae
Genus:	Crotalus
Species:	C. mitchellii
Subspecies:	C. m. angelensis
Trinomial name
Crotalus mitchellii angelensis Klauber, 1963
Synonyms
Crotalus mitchelli angelensis - Klauber, 1963 Crotalus mitchellii angelicus - Hoge, 1966 Crotalus mitchellii angelensis - Hoge & Romano-Hoge, 1981 Crotalus mitchellii angelensis - McCrystal & McCoid, 1986[1]

Common names: Angel de la Guarda Island speckled rattlesnake.^[2]

Crotalus mitchellii angelensis is a venomous pitviper subspecies^[3] endemic to Angel de la Guarda Island in the Gulf of California, Mexico.

Description

Grows to a maximum size of 136.7 cm.^[2]

Geographic range

Found only on Angel de la Guarda Island in the Gulf of California, Mexico.^[2] The type locality given is "about 4 miles southeast of Refugio Bay, at 1500 feet elevation, Isla Angel de la Guarda, Gulf of California, México (near 29°29½'N, 113°33'W)" (4 miles = 6.4 km; 1,500 feet = 460 m).^[1]

Conservation status

This species is classified as Least Concern (LC) on the IUCN Red List of Threatened Species (v3.1, 2001).^[4] Species are listed as such due to their wide distribution, presumed large population, or because it is unlikely to be declining fast enough to qualify for listing in a more threatened category. The population trend is stable. Year assessed: 2007.^[5]

See also

• List of crotaline species and subspecies
• Crotalus by common name
• Crotalus by taxonomic synonyms
• Crotalinae by common name
• Crotalinae by taxonomic synonyms
• Snakebite

References

1. ^ ^{a b} 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).
2. ^ ^{a b c} 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.
3. ^ "Crotalus mitchellii angelensis". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=635181. Retrieved 13 September 2007. 
4. ^ Crotalus angelensis at the IUCN Red List. Accessed 13 September 2007.
5. ^ 2001 Categories & Criteria (version 3.1) at the IUCN Red List. Accessed 13 September 2007.

External links

• Crotalus mitchelli at the Reptarium.cz Reptile Database. Accessed 13 September 2007.