Other Marine Life

If you're afraid of sharks, stop reading now, because we're about to get in deep with six types of sharks. Learn more about these fascinating fish — big and small, solid and patterned, sluggish and speedy.

By Sascha Bos

Orcas are known as "killer whales" because they are apex predators. In the wild, highly social killer whales prey on sharks, seals, dolphins and even other whales.

By Sascha Bos

Far below the ocean's surface, in the dark depths of the deep sea floor ecosystem (about 3,000 feet or 1,000 meters deep), exists an entire world of deep sea creatures that humans rarely glimpse.

By Sascha Bos

It's a slippery proposition, to be sure, but bees do it, birds do it and you can bet that eels do it too. The question is, how do eels reproduce?

By Mark Mancini

Sailfish are the fastest known animal in the ocean. Just how fast? As fast as a cheetah. That's how fast.

By Cherise Threewitt

Tons of these humongous bug-like creatures live in the darkest depths of the sea, but they are still somewhat of a mystery to us humans.

By Jennifer Walker-Journey

Even washed up on the beach, the Portuguese man-of-war can deliver searing pain with its stinging tentacles, so whatever you do, don't touch it.

By Mark Mancini

You might not think a worm could be longer than a whale, but allow us to introduce you to the bootlace worm, one of the longest animals on the planet. And, oh and it packs a potent toxin, too.

By Mark Mancini

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

By Mitch Ryan

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 Mitch Ryan

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

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