Toxic nudibranchs—soft, seagoing slugs—produce a brilliant defense.

Did you know that there are over 3,000 species of nudibranchs in the wild? “Found from sandy shallows and reefs to the murky seabed nearly a mile down, nudibranchs thrive in waters both warm and cold and even around billowing deep-sea vents.” So why aren’t they picked up by varius animal life?  Nudibranchs produce toxic secretions and stinging cells within their bodies, leaving most aquatic animal life to leave them alone. After all, their bright colors attest to this fact.

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