Other Marine Life

Yes, this terrifying worm was named after the infamous Bobbitt case. And with good reason.

By Francisco Guzman

These two sea creatures can be easy to confuse. But they're actually quite different. We talked to experts to find out how to tell them apart.

By Wendy Bowman

What lives in water, has no gills, scales or fins and is not a fish? Yep, a starfish — which is why marine biologists have renamed these creatures sea stars.

By Wendy Bowman

A bright pink manta ray named Inspector Clouseau is causing a splash on the runway of the Great Barrier Reef.

By Jesslyn Shields

Dwindling natural habitats are causing a significant decline in certain seahorse species. To bolster populations, researchers in Australia are building seahorse hotels and leaving the lights on.

By Wendy Bowman

What sea creature looks like a spiny pincushion and is considered a delicacy to gastronomes around the world? Yep, the sea urchin.

By Jeremy Glass

Is that a dolphin pancreas? Some extremely firm manatee vomit? Nope, it's sea pork!

By Jesslyn Shields

The single-celled Mesodinium chamaeleon harnesses algae, which lives inside it, for energy.

By Loraine Fick

The Dumbo octopus is just one of the amazing creatures filmed by the most recent voyage of the E/V Nautilus.

By Jesslyn Shields

The kindest thing you can say about a sea cucumber's physique is that it looks very much like a large hoagie bun dressed in a lumpy old sweater.

By Jesslyn Shields

You can't tell a book by its cover, and you can't tell a squid by its Nosferatu getup.

By Jesslyn Shields

Sea spiders don't do anything by the book, and researchers have just gotten to the bottom of how they breathe.

By Jesslyn Shields

By incorporating algae into their bodies, these beautiful sea slugs become one of the few animals with the photosynthetic ability of a plant.

By Amanda Onion

Crocodiles are known to eat just about anything. But sharks? A scientific team found evidence that they've chowed down on those predators too.

By Mark Mancini

The magnificent bryozoan is a colonial organism that lives in warm ponds and lakes usually east of the Mississippi River. So what's it doing in western Canada?

By Jesslyn Shields

If you thought this underwater creeper looked heartless, you're actually not that far off.

By Chris Opfer

How squid brains process their external visual skin communication is fascinating, complex, and unlike anything in the vertebrate world.

By Jesslyn Shields

It's not easy being a starfish larva. Fortunately, the tiny creatures have an efficient way to get food and swim away.

By Alia Hoyt

It sounds crazy, but it's happened before, and it'll probably happen again.

By Joe McCormick

New fossil analysis details a microscopic organism from 540 million years ago that just might be a precursor to every vertebrate on the planet.

By Christopher Hassiotis

Turns out that strange sound may be minke whales getting vocal in the deep ocean.

By Melanie Radzicki McManus

Western Australia Museum is hosting a naming contest for this fascinating new nudibranch species.

By Christopher Hassiotis

And that price is a tapeworm infection.

By Robert Lamb

Whether they're busting open a child-proof medicine bottle or prying apart Mr. Potato Head, octopuses have some crazy brains. Actually, they have nine of them.

By Julia Layton

The Mariana Trench is the deepest place on Earth, and we're still in the dark about much of the life that calls it home. Here are just a few of the trench's eye-popping residents.

By Nathan Chandler