Crotalus estebanensis, commonly known as the San Esteban Island rattlesnake,Klauber LM. 1997. Rattlesnakes: Their Habitats, Life Histories, and Influence on Mankind. Second Edition. 2 volumes. Reprint, University of California Press, Berkeley. . is a pit viper species endemic to San Estéban Island, Mexico. Like all other pit vipers, it is venomous.
Description Adults grow to a maximum reported length of 98.2 cm.
Geographic range It s known only from the type locality, which is "San Estéban Island, Gulf of California, Mexico.
Conservation status This species is classified as least concern on the IUCN Red List of Threatened Species (v3.1, 2001). 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 is stable. Year assessed: 2007
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