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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The principle aim of this site is to provide information useful to improving outcomes for humans suffering from envenoming or poisoning by animals, plants or mushrooms.

IUCN Red List of Threatened Species

Equally, we cannot list knowledge which is not yet reported or known. Web pages croralus scripting Jiri Hosek. Copyright ToxinologyWCH. Mesoamerican Herpetology 3 4: Evolutionary morphology of the rattlesnake style. A reclassification of the rattlesnakes; species formerly exclusively referred to the genera Crotalus and Sistrurus. Venom Haemorrhagins Present but not defined.

The bite wound should not be tampered with in any way. Retrieved from ” https: The following should also be noted when reading information contained within the ravsu on this website: Small Approx 20k version.

It should not be assumed that humankind currently knows all there is to know about any species, even for common species.


Crotalus ravus (Mexican pygmy rattlesnake) (Sistrurus ravus)

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. Retrieved 9 January Snake species of the world. Crotalus ravus Conservation status. A Taxonomic and Geographic Reference, vol. racus

Avoid peroral intake, absolutely no alcohol. Crotalus ravus COPE Dangerousness Mild envenoming only, not likely to prove lethal. Snakes of the Mexican state of Morelos. Comstock Publishing Associates, Ithaca and London. Dorsal scales are moderately keeled. Mesoamerican Herpetology 3 3: Integrated Taxonomic Information System.

A study using mitochondrial DNA strongly suggests that C. Check List 11 3: The snakebite victim should rzvus transported as quickly and as passively as possible to the nearest place where they can be seen by a medically-trained person health station, dispensary, clinic or hospital. In Biology of the Vipers, edited by Gordon W.

Mexican Pygmy Rattlesnake

Many will be terrified, fearing sudden death and, in this mood, they may behave irrationally or even hysterically. Habitat Elevations between about and metres in pine-oak forest, cloud forest, boreal forest, upper and tropical scrub forest and upper deciduous forest. If no motor vehicle or boat is available, the patient can be carried on a stretcher or hurdle, on the pillion or crossbar of a bicycle or on someone’s back.


Schuett, Mats Hoggren, Michael E. Three subspecies are currently recognized, including the nominate subspecies described here. Mesa del Sur ; Type locality: General Systemic Effects Variable non-specific effects which may include headache, nausea, vomiting, abdominal pain, diarrhoea, dizziness, collapse or convulsions.

Multilocus species delimitation in the Crotalus triseriatus species group Serpentes: Crotalus ravus Cope, The herpetofauna of Oaxaca, Mexico: Good wound care important; avoid crotalu unless absolutely indicated.

Reprint, University of California Press, Berkeley. WilliamsJeff Boundy Mesoamerican Herpetology 4 4: Douglas, and Harry W. Taxonomic studies on rattlesnakes of Mainland Mexico. No attempt should be made to pursue the snake into the undergrowth as this will risk further bites.

Find more photos by Google images search: Herpetological Review 42 3: If there will be considerable delay before reaching medical aid, measured in several hours to days, then give clear fluids by mouth to prevent dehydration. Birds, mammals, reptiles, amphibians, and plants. Venom Cardiotoxins Not likely to be present. Canthus rostralis is rounded. Guerreran Pygmy Rattlesnake; ravus: Multiple doses may be required. Calzada de Tlalpan No.