Other Marine Life

Learn about some of the some of the most bizzare marine life under the sea, such as Sea Squirts, sponges and even Sea Monkeys.


Learn More

Even Poisonous Sea Creatures Can't Escape the Bobbit Worm's Jaws

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

What's the Difference Between Manta Rays and Stingrays?

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.

Some Starfish Have Up to 40 Arms! Plus 10 Other Starfish Facts

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.

Meet Inspector Clouseau, Australia's Neon Pink Manta Ray

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

Seahorses Have Hotels! Plus 9 Other Amazing Seahorse Facts

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.

Sea Urchins Are the Edible Pincushions of the Ocean

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

That Blob on the Beach Is Sea Pork

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

This Organism Is Part Plant and Part Animal

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

Ghostly, Adorable Dumbo Octopus Spotted by Deep Sea Rover

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

Sea Cucumber: Animal or Vegetable?

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.

Vampire Squid Don't Actually Suck Blood

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

Sea Spiders Breathe Through Pores in Their Legs

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

Sea Slugs Go Solar by Stealing From Algae

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

Jaws and Claws: Alligators Eat Small Sharks More Often Than We Thought

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

What's Up With This Brain-shaped Blob Found in a Canadian Lagoon?

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?

Sea Spiders Pump Blood With Their Guts, Not Their Hearts

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

Secret Alphabet of Squid Skin Due to Brains Totally Unlike Our Own

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

Starfish Use Intricate Water Whorls as a Survival Mechanism

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

Here's What Happens When You Swallow a Leech

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

All Mouth, No Anus: Microscopic Organism Could Be Oldest Human Ancestor

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

Scientists Finally Solve Mystery of Weird Mariana Trench Sound

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

This Gorgeous New Sea Slug Species Needs a Name

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

Can’t Open That Childproof Bottle? Ask an Amazing Octopus

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.

10 Weird Creatures From the Mariana Trench

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.