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Snakes in Arizona

Here are common snakes found in Arizona, including 3 venomous species to watch for. Tap any snake for a full identification profile.

Identify a snake in ArizonaSnake bite first aid
Caution

Venomous snakes in Arizona

Detailed close-up of a venomous rattlesnake showing its intricate scale patterns and rattle.
Venomous

Western Diamondback Rattlesnake

Crotalus atrox

The classic Western rattlesnake responsible for the most snakebite deaths in the US. Recognizable by the black-and-white 'coon tail' banding above the rattle.

Danger 5/5
Beware of rattlesnakes sign posted in a grassy area, cautioning travelers.
Venomous

Prairie Rattlesnake

Crotalus viridis

The classic rattlesnake of the Great Plains. Well-camouflaged in dry grass, with a potent venom that makes it the main medically significant snake across the central US.

Danger 4/5
Beware of rattlesnakes sign posted in a grassy area, cautioning travelers.
Venomous

Mojave Rattlesnake

Crotalus scutulatus

Often considered the most dangerous rattlesnake in the US because of its potent neurotoxic-plus-hemotoxic venom. Looks much like a diamondback but with subtle differences.

Danger 5/5
Beneficial

Harmless snakes in Arizona

Detailed close-up of a gopher snake in its natural habitat, showcasing its textured scales and earth-tone coloring.
Non-venomous

Gopher Snake

Pituophis catenifer

A large harmless constrictor that imitates a rattlesnake by hissing loudly, flattening its head and vibrating its tail. No rattle and round pupils give it away.

Danger 0/5
A California kingsnake slithering over sunlit rocks, showcasing its distinct pattern.
Non-venomous

California Kingsnake

Lampropeltis californiae

A striking black-and-white banded constrictor of the western US and a hugely popular pet. Harmless to people and immune to rattlesnake venom.

Danger 0/5
Captivating close-up of a coachwhip snake in South Africa showcasing its textured scales and agile movement.
Non-venomous

Coachwhip

Masticophis flagellum

One of the fastest snakes in North America, named for its braided whip-like tail. Harmless, but its speed and alertness startle people. The 'chases you' myth is just it fleeing.

Danger 0/5

Identifying snakes in Arizona

Knowing your location is one of the most powerful tools in snake identification. Many snakes look similar, but the species actually present in Arizona narrows the possibilities dramatically. When you use our snake identifier, factor in your state to boost confidence — and if you ever spot a snake you can't identify, treat it as potentially dangerous and keep your distance.