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Rattlesnake venom is a mixture of five to fifteen enzymes, various metal ions, biogenic amines, lipids, free amino acids, proteins, and polypeptides. More specifically, there are three main families of toxins in rattlesnakes: phospholipases A2 (PLA2s), snake venom metalloproteinases (SVMPs), and snake venom serine proteinases (SVSPs). [47]
Snake venom. Snake venom is a highly toxic saliva [1] containing zootoxins that facilitates in the immobilization and digestion of prey. This also provides defense against threats. Snake venom is usually injected by unique fangs during a bite, though some species are also able to spit venom.
Crotalus viridis (Common names: prairie rattlesnake, [3][4] Great Plains rattlesnake, [5]) is a venomous pit viper species native to the western United States, southwestern Canada, and northern Mexico. Currently, two subspecies are recognized, including the prairie rattlesnake (Crotalus viridis viridis), the nominate subspecies, and the Hopi ...
2. Mexican pygmy rattlesnake. The mountains of central and southern Mexico, west of the Isthmus of Tehuantepec, in the southeastern part of the Mexican Plateau, in the highlands of Morelos, Tlaxcala, Puebla, Veracruz, Oaxaca, and the Sierra Madre del Sur in Guerrero. C. ruber.
The western diamondback rattlesnake[3] or Texas diamond-back[4] (Crotalus atrox) is a rattlesnake species and member of the viper family, found in the southwestern United States and Mexico. Like all other rattlesnakes and all other vipers, it is venomous. It is likely responsible for the majority of snakebite fatalities in northern Mexico and ...
Crotalus (Crotalus) durissus dryinus – J. Peters & Orejas-Miranda, 1970 [2][3] Crotalus durissus, known as the South American rattlesnake, [2] tropical rattlesnake, [4] and by other names, is a highly venomous pit viper species found in South America. It is the most widely distributed member of its genus. [2]
Venomous snake. Venomous snakes are species of the suborder Serpentes that are capable of producing venom, which they use for killing prey, for defense, and to assist with digestion of their prey. The venom is typically delivered by injection using hollow or grooved fangs, although some venomous snakes lack well-developed fangs.
Venom: Same as the timber rattlesnake. Status: Endangered. Range: There is only one known population in western Plymouth County. Eastern massasauga. Sistrurus catenatus or the eastern massasauga.