Crotalus transversus

Crotalus transversus is a venomous pit viper species found in central Mexico, known from less than 20 specimens.[2] No subspecies are currently recognized.[3]

Crotalus transversus

Least Concern  (IUCN 3.1)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Crotalus
Species:
C. transversus
Binomial name
Crotalus transversus
Taylor, 1944[1]
Common names: Cross-banded mountain rattlesnake[2]

Description

Adults grow to a maximum recorded length of 46.5 cm (18.3 in) (for a female). The length of the tail represents 10.5% of total body length in males and 7.1-7.9% in females.[2]

Geographic range

It is found in central Mexico in the Sierra Ajusco and the Sierra de Monte Alto of the Transverse Volcanic Cordillera in the states of México and Morelos at elevations exceeding 2,900 m (9,500 ft) in temperate boreal forests. The type locality given is "about 55 km. SW México (city), near Tres Marías (Tres Cumbres), Morelos [Mexico], elevation about 10,000 ft." (3,000 m)[1]

Conservation status

This species is classified as Least Concern 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 they are unlikely to be declining fast enough to qualify for listing in a more threatened category. The population trend was stable when assessed in 2007.[5]

References
  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).
  2. Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.
  3. "Crotalus transversus". Integrated Taxonomic Information System. Retrieved 1 August 2007.
  4. Crotalus transversus 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.

Further reading
  • Taylor, E.H. 1944. Two New Species of Crotalid Snakes from Mexico. Bull. Chicago Acad. Sci. 30 (4): 47-56.
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