This Huge Cottonmouth Snake Holds the Title of the Largest Ever

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Written by A-Z Animals Staff

Published: July 5, 2025

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The southeastern United States has many fascinating snakes – none more feared than the highly venomous cottonmouth. These semi-aquatic reptiles hunt around swamps, rivers, and lakes – climbing trees and falling into boats. How big can these snakes get? Watch this incredible video to find out!


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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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