Poisonous Snakes in Nevada and Northern Arizona

Mojave Rattlesnake       Sidewinder  


Speckled Rattlesnake




Western Coral Snake                  Western Diamondback Rattlesnake                 Tiger Rattlesnake



Poisonous Spiders in Nevada


Hobo Spider, distinctive markings on underside of abdomen          Black Widow Spider, distinctive hourglass on underside of abdomen          Brown Recluse Spider, distinctive markings on back ("fiddleback")




Poisonous Scorpions in Nevada

Bark Scorpion