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What Are the Most Venomous Sea Snakes in the World?

Sea snakes can be highly venomous marine reptiles. Learn about the different types of sea snakes, if they are poisonous, and how deadly sea snake venom really is.

ByJake Parks
Sea snake (Jack Pokoj/Shutterstock)

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Sea snakes have long captivated, and terrified, ocean enthusiasts and beachgoers alike. With their sleek bodies and potent venom, they've surely earned their spot in the marine hall of fame.

But just how dangerous are sea snakes? In this article, we’ll take a deep dive.

Firstly, it's important to note the distinction between "poisonous" and "venomous." A creature is poisonous when it releases toxins when touched or consumed. Venomous creatures, on the other hand, actively deliver their toxins, usually through a bite or sting. While consuming or touching a poisonous creature can cause harm, you must be bitten or stung by a venomous one for its toxins to take effect.

So, to clarify: Sea snakes are venomous, not poisonous. And their venom is a weapon used primarily to immobilize their prey.

Read More: 8 Facts You Didn't Know About Venom and Toxic Animals

Very, in fact. Sea snakes produce venom ...

  • Jake Parks

    Jake Parks is a freelance science writer and editor for Discover Magazine, who covers everything from the mysteries of the cosmos to the latest in medical research.

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