Water Moccasins vs Cottonmouth: Everything You Need To Know

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Written by A-Z Animals Staff

Published: April 25, 2025

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It’s often thought that water moccasins are harmless, non-venomous creatures, and cottonmouths are more dangerous and venomous. In reality, both terms refer to the same species, Agkistrodon piscivorus, which is the only venomous water snake in North America. Read on to find out more about cottonmouth snakes, also known as water moccasins, including how to identify them and where they are located.


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About the Author

A-Z Animals Staff

AZ Animals is a growing team of animals experts, researchers, farmers, conservationists, writers, editors, and -- of course -- pet owners who have come together to help you better understand the animal kingdom and how we interact.

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