Venomous Snakes in the United States

Venomous Snakes in the United States
Here is a list of venomous snakes found in the United States. This list is arranged alphabetically according to genus. All of these snakes are capable of medically significant bites and you will need to go to the hospital immediately if bitten.

Here is a list of All United States Snakes >

Agkistrodon contortrix (subspecies contortrix) – Southern Copperhead
Agkistrodon contortrix (subspecies laticinctus) – Broad-banded Copperhead
Agkistrodon contortrix (subspecies mokasen) – Northern Copperhead
Agkistrodon contortrix (subspecies phaeogaster) – Osaga Copperhead, Osage Copperhead
Agkistrodon contortrix (subspecies pictigaster) – Trans-Pecos Copperhead, Pallas’ Viper, Halys Pit Viper, Asiatic Moccasin
Agkistrodon piscivorus (subspecies conanti) – Florida Cottonmouth
Agkistrodon piscivorus (subspecies leucostoma) – Western Cottonmouth
Agkistrodon piscivorus (subspecies piscivorus) – Eastern Cottonmouth
Crotalus adamanteus – Eastern Diamondback Rattlesnake
Crotalus atrox – Western Diamond Rattlesnake
Crotalus cerastes (subspecies cerastes) – Mohave Desert Sidewinder
Crotalus cerastes (subspecies cercobombus) – Sonoran Desert Sidewinder, Sonoran Sidewinder
Crotalus cerastes (subspecies laterorepens) – Colorado Desert Sidewinder
Crotalus cerberus – Arizona Black Rattlesnake
Crotalus horridus (subspecies atricaudatus) – Canebrake Rattlesnake
Crotalus horridus (subspecies horridus) – Timber Rattlesnake, Banded Rattlesnake
Crotalus lepidus (subspecies klauberi) – Banded Rock Rattlesnake
Crotalus lepidus (subspecies lepidus) – Mottled Rock Rattlesnake
Crotalus mitchellii (subspecies pyrrhus) – Southwestern Speckled Rattlesnake
Crotalus molossus (subspecies molossus) – Black-tailed Rattlesnake, Blacktail Rattlesnake
Crotalus oreganus (subspecies abyssus) – Grand Canyon Rattlesnake
Crotalus oreganus (subspecies concolor) – Midget Faded Rattlesnake
Crotalus oreganus (subspecies helleri) – Southern Pacific Rattlesnake
Crotalus oreganus (subspecies lutosus) – Great Basin Rattlesnake
Crotalus oreganus (subspecies oreganus) – Northern Pacific Rattlesnake
Crotalus ornatus – Chihuahuan Black Tailed Rattlesnake
Crotalus pricei (subspecies pricei) Twin-Spotted Rattlesnake, Price’s Twin-Spotted Rattlesnake
Crotalus ruber (subspecies ruber) Red Diamond Rattlesnake
Crotalus scutulatus (subspecies scutulatus) Northern Mojave Rattlesnake
Crotalus stephensi – Panamint Rattlesnake
Crotalus tigris – Tiger Rattlesnake
Crotalus viridis (subspecies nuntius) – Hopi Rattlesnake, Arizona Prairie Rattlesnake
Crotalus viridis (subspecies viridis) – Prairie Rattlesnake
Crotalus willardi (subspecies obscurus) – New Mexican Ridge-nosed Rattlesnake, New Mexican Ridgenose Rattlesnake
Crotalus willardi (subspecies silus) – Chihuahuan Ridge-nosed Rattlesnake, Chihuahuan Ridgenose Rattlesnake
Crotalus willardi (subspecies willardi) – Arizona Ridge-nosed Rattlesnake, Arizona Ridgenose Rattlesnake
Micruroides euryxanthus (subspecies euryxanthus) – Western Coral Snake, Arizona Coral Snake
Micrurus fulviusn – Coral Snake, Harlequin Coral Snake, Eastern Coral Snake
Micrurus tenern – Coral Snake, Harlequin Coral Snake, M. t. tener : Texas Coral Snake, M. t. fitzingeri : Fitzinger’s Coral Snake, Guanajuato Coral Snake, M. t. maculatus : Tampico Coral Snake, M. t. microgalbineus : Potosi Coral Snake, Spotted Coral Snake
Sistrurus catenatus (subspecies catenatus) – Eastern Massasauga
Sistrurus catenatus (subspecies edwardsi) – Desert Massasauga
Sistrurus catenatus (subspecies tergeminus) – Western Massasauga
Sistrurus miliarius (subspecies barbouri) – Southeastern Pygmy Rattlesnake, Dusky Pygmy Rattlesnake
Sistrurus miliarius (subspecies miliarius) – Carolina Pygmy Rattlesnake
Sistrurus miliarius (subspecies streckeri) – Western Pygmy Rattlesnake