Crotalus transversus

Crotalus transversus, or the cross-banded mountain rattlesnake, is a species of venomous pit viper found in central Mexico, known from less than 20 specimens. No subspecies are currently recognized.

Description

Adult females grow to a maximum recorded length of. The length of the tail represents 10.5% of total body length in males and 7.1-7.9% in females.

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 in temperate boreal forests. The type locality given is "about 55 km. SW México, near Tres Marías, Morelos, elevation about 10,000 ft."

Conservation status

This species is classified as Least Concern on the IUCN Red List of Threatened Species. The population trend was stable when assessed in 2007.