The Central American Rattlesnake is large, it can grow up to cm, but the average adult ranges between and cm. It has a robust body, a relatively . Snake venomics of the Central American rattlesnake Crotalus simus and the South American Crotalus durissus complex points to neurotoxicity as an adaptive . Crotalus simus is a venomous pit viper species found in Mexico and Central America. The specific epithet is Latin for ‘flat-nosed’, likely because its head is blunt.

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The Central American Rattlesnake is large, it can grow up to cm, but the average adult ranges between and cm.

Crotalus simus – Wikipedia

Snake Species of the World: The bite wound should not be tampered with in any way. Snakebites in Central and South America: General Shape Large in length, stout bodied rattlesnake with a short tail and a horn-like segmented rattle.

smus 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. Further, we cannot control how users will interpret the information provided on this site. Venom Myotoxins Secondary myotoxic activity may be present.

A reclassification of the rattlesnakes; species formerly exclusively referred to the genera Crotalus and Sistrurus. Integrated Taxonomic Information System. Seek urgent medical attention. It should not be assumed that humankind currently knows all there is to know about any species, cortalus for common species. Mesoamerican Herpetology 2 3: Bulletins of the Zoological Society of San Diego The snakebite victim should be 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.


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Tweet Please submit feedback about this entry to the curator. The bitten limb should then be immobilised as effectively as possible using an extemporised splint or sling. Research Presentation Lines of research Researchers.

A large proportion Their overall toxin compositions explain the outcome of envenomation by these species.


No sedatives outside hospital. This page was last edited on 12 Novemberat Reptarium The Reptile Database. After ensuring the patient and onlookers have moved out of range of further strikes by the snake, the bitten person should be reassured and persuaded to lie down and remain still.

Molecular Ecology 14 4: The driving force behind paedomorphism is often competition or predation pressure. If the bite is on crotaljs limb, a broad bandage even torn strips of clothing or pantyhose should be applied over the bitten area at moderate pressure as for a sprain; not so tight circulation simua impairedthen extended to cover as much of the bitten limb as possible, including fingers or toes, ctotalus over the top of clothing rather than risking excessive limb movement by removing clothing.

To the Mayans and their living descendants, the Yucatan subspecies C. The indistinguisable immunoreactivity patterns of Costa Rican and Venezuelan polyvalent antivenoms toward C. Thorpe Tracing an invasion: Contact Next to the sports park, Dulce Nombre of Coronado.

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Neonate and adult C. All rings or other jewellery on the bitten limb, especially on cotalus, should be removed, as they may act crotalua tourniquets if oedema develops. Neurotoxic Paralysis No clinical reports for this species, but related species cause flaccid paralysis. Therefore every case must be admitted at least overnight and closely observed.

IUCN Red List of Threatened Species

Snakes of the World: Local symptoms may be severe, with pain, massive swelling, crotzlus, and necrosis that lead to fasciotomies and in some cases amputations. Mesoamerican Herpetology 1 2: Three subspecies are recognized, including the nominate subspecies described here.

If the offending snake has been killed it should crottalus brought with the patient for identification only relevant in areas where there are more than one naturally occurring venomous snake speciesbut be careful to avoid touching si,us head, as even a dead snake can envenom. An updated list of the amphibians and reptiles of Honduras, with comments on their nomenclature. Wikispecies has information related to Crotalus simus.

This is most apparent on the scale rows on either side of the body with a decreasing intensity in the lower rows.

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