Cottonmouth snakes: Key facts about physical appearance, habitat, diet, its venom and effects

Cottonmouth snakes are venomous reptiles found in the southeastern US. They are known for their white mouth lining. Cottonmouths live in swamps and wetlands. They eat fish, lizards, and other small animals. Their bite is dangerous but rarely fatal. Antivenin is available. Hurricane Florence in 2018 highlighted the risk of encountering these snakes after flooding.