Cottonmouth

cottonmouth with mouth open

Cottonmouth

Agkistrodon piscivorus
Class

Reptilia

Order

Squamata

Family

Viperidae

Range

Southern and southeastern United States

Size

Length: 20 - 74.5 in

Habitat

Aquatic areas, especially swamps and rice fields

Young

1 - 15

Diet

Mainly fish and frogs; also small mammals and snakes

IUCN Status

Least Concern

cottonmouth

What's in a Name?

It gets its name from the white lining inside its mouth. This species is also called a water moccasin. It is the most abundant venomous snake in Louisiana.

cottonmouth

Nocturnal Hunters, Daytime Basking

Cottonmouths are primarily active at night, but they like to bask on logs and limbs during the day.

cottonmouth

Venom

They inject a hemotoxic venom into their prey which breaks down and destroys blood cells and other tissues. It also reduces the ability of blood to coagulate or clot. Total venom replacement actually requires no more than three weeks, even after being fully depleted.