Plumed Worm

Plumed Worm

Plumed birds, yeah. Plumed serpents, sure. But who ever heard of this sea creature—the plumed worm?

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Carrier Crab

Clownfish and Sea Anemone Partnership

Clownfish and Sea Anemone Partnership

Coral Reef Spawning

Coral Reef Spawning

Clams: Not Just for Chowder

Clams: Not Just for Chowder

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Hairy Sea Cucumber

Hairy Sea Cucumber

Record-Breaking Sea-Creature Surveys Released

Record-Breaking Sea-Creature Surveys Released

Tiny New Sea Species Discovered—First Ever Video

Tiny New Sea Species Discovered—First Ever Video

Bacteria-size Babies Among Ocean's Smallest Life

Bacteria-size Babies Among Ocean's Smallest Life

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Polar Algae Forests Explored

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Giant Undersea Volcano Revealed

Why the Ocean Matters

Why the Ocean Matters

New Species Found at Great Barrier

New Species Found at Great Barrier

Sea"Mucus" Blobs Pose Threat

Sea"Mucus" Blobs Pose Threat

Piglet Squid, Other Bizarre Species Found

Piglet Squid, Other Bizarre Species Found

World's Weirdest: Amazing Sting Defense

World's Weirdest: Amazing Sting Defense

World's Weirdest: Portuguese Man-of-War

World's Weirdest: Portuguese Man-of-War

Clams vs. the World

Clams vs. the World

World's Deadliest: Bizarre Slime Cannon Attack

World's Deadliest: Bizarre Slime Cannon Attack

World's Weirdest: Flatworm Penis Fencing

World's Weirdest: Flatworm Penis Fencing

World's Weirdest: Killer Cone Snail

World's Weirdest: Killer Cone Snail

World's Deadliest: Zombie Snails

World's Deadliest: Zombie Snails

Neon Killers

Dance of the Jellyfish

Dance of the Jellyfish

World's Weirdest: Sea Cucumber Fights With Guts (Literally)

World's Weirdest: Sea Cucumber Fights With Guts (Literally)

World's Deadliest: Sudden Death Cuttlefish

World's Deadliest: Sudden Death Cuttlefish

World's Weirdest: Underwater Love Chain

World's Weirdest: Underwater Love Chain

Stunning Jellyfish

Stunning Jellyfish

Snail Zombies

Terebellid Worm

Terebellid Worm

Sea Urchin Fertility

Sea Urchin Fertility

Poison in a Cone

Poison in a Cone

Moochers of the Caribbean

Moochers of the Caribbean

Sea Angels

Nudibranch

Portuguese Man-of-War

Portuguese Man-of-War

Sea Salps

Horseshoe Crabs Mate in Massive Beach "Orgy"

Horseshoe Crabs Mate in Massive Beach "Orgy"

Stunning Video: The Portuguese Man-of-War Up Close

Stunning Video: The Portuguese Man-of-War Up Close

Watch These Millipedes Glow in the Dark

Watch These Millipedes Glow in the Dark

Watch: Tiny Hydra Rips Its Mouth Open to Eat

Watch: Tiny Hydra Rips Its Mouth Open to Eat

Mind-Blowing Camouflage Starts With These Animals’ Unusual Eyes

Mind-Blowing Camouflage Starts With These Animals’ Unusual Eyes

Mysterious Purple Blob Surprises Scientists

Mysterious Purple Blob Surprises Scientists

Watch: Fireflies Glowing in Sync to Attract Mates

Watch: Fireflies Glowing in Sync to Attract Mates

What are Comb Jellies and Why is Their Poop Important?

What are Comb Jellies and Why is Their Poop Important?

First Ever Footage: Watch Coral Bleaching Happen Before Your Eyes

First Ever Footage: Watch Coral Bleaching Happen Before Your Eyes

This Sea Slug Eats Its Own Kind

This Sea Slug Eats Its Own Kind

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