Sistrurus ravus is a venomous pit viper species, found only in Mexico. Three subspecies are currently recognized, including the nominate subspecies described. PDF | On Jun 1, , Rafael Alejandro Calzada-Arciniega and others published Crotalus ravus (Mexican Pygmy Rattlesnake) Diet. PDF | On Sep 30, , Anibal Díaz de la Vega-Pérez and others published Natural History Notes: Crotalus ravus, diet.

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General Shape Small in length, moderately stout, tapered and cylindrical bodied rattlesnake with a short tail terminating in a moderately small horny, segmented rattle. Multiple doses may be required. Crotalus ravus is a venomous pit viper species, found only in Mexico.

The Venomous Reptiles of the Western Hemisphere. Amphibians and reptiles of the state of Hidalgo, Mexico. Snakes of the Mexican state of Morelos. Further, we cannot control how users will interpret the information provided on crotlus site. PLoS One 9 6: A preliminary account of the rattlesnakes with the descriptions of four new subspecies.

The basis for reassurance is the fact that many venomous bites do not result in envenoming, the relatively slow progression to severe envenoming hours following elapid bites, days following viper bites and the effectiveness of modern medical treatment.


Crotalus ravus | The Reptile Database

Taxonomic studies on rattlesnakes of Mainland Mexico. The brief description of the holotype by Harris and Simmons contains two errors.

Crotalus ravus COPE Polyvalent crotalid antivenom CroFabOvine, Fab. Crotalus ravus COPE, ravuw Average Venom Qty Geographic variation in the Mexican Pygmy rattlesnake, Sistrurus ravus, with the description of a new subspecies.

Douglas, and Harry W. A follow-up study using seven nuclear markers places S. In particular, for bites causing flaccid paralysis, including respiratory paralysis, both crotauls and respiration may be impaired, requiring urgent and prolonged treatment, which may include the mouth to mask mouth to mouth technique of expired air transfer.

Croalus 9 January The type locality given is the “Table land of Mexico. Avoid peroral intake, absolutely no alcohol. Treatment Summary Bites may cause mild to moderate, rarely severe local effects, non-specific general effects. Best viewed in x resolution or higher.

Mesa del Sur ; Type locality: We therefore do not accept legal responsibility for use of the information provided and we require that all users use information from this site at their own risk. Guerreran Pygmy Rattlesnake; ravus: Bulletins of the Zoological Society of San Diego Retrieved from ” https: A Taxonomic and Geographic Reference, vol.


Crotalinaewith the description of two new species.

Mexican Pygmy Rattlesnake

The herpetofauna of Puebla, Mexico: Phylogeny of the rattlesnakes Crotalus and Sistrurus inferred from sequences of five mitochondrial DNA genes. Anfibios y Reptiles; pp.

Prey Feeds mainly on lizards, rodents and small mammals and occasionally insects such as grasshoppers and crickets. Central Plateau Pygmy Rattlesnake. Herpetological Review 10 1: Find more photos by Google images search: Mesoamerican Herpetology 2 1: Eyes are moderately small to medium in size with vertically elliptical pupils.

Venom Cardiotoxins Not likely to be present. Chimaira, Frankfurt, pp Hoser, R.