Sea Creatures

A macro photo of coralites off Malapascua Island in the Philippines.

The Top Ten Ocean Stories of 2017

From wind turbines to massive sunfish to octopus cities, the seas proved full of surprises this year

Hundreds of Sea Turtles Found Dead Off the Coast of El Salvador

Authorities aren't sure what caused the die-off, but a prime suspect is a toxic algal bloom

This Sea Slug Has a Crafty Way of Getting Super-Sized Meals

These colorful creatures prefer to feast on prey that has just eaten

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Why Did Dozens of Octopuses Crawl Onto a Beach in Wales?

Scientists aren’t sure, but recent storms or burgeoning populations might be to blame

Out of five vaquita found dead this past spring, three were killed in illegal gill nets.

There Are Possibly Only 30 of These Rare Porpoises Left on the Planet

The fascinating vaquita is heading for oblivion, the victim of a ravenous black market for a dubious remedy

Surprising Footage Captures Arctic Jellyfish Lurking Under the Ice

The creatures were previously thought not tough enough to survive the harsh winters

What can humans learn from this master of disguise?

Like Octopus Skin, This New Material Goes From 2D to 3D in Seconds

Octopi are masters of disguise, able to change both the color and texture of their skin. Engineers have developed a material that can do similar tricks

"You're talking about little me?!"

Four Incredible Facts About Sea Otters

We thought you otter know these

A gloomy octopus among piles of discarded shells at Octlantis

Octopus 'City' Found Off the Coast of Australia

Expected to live as loners, gloomy octopuses may actually live in groups bustling with activity

Yes, oysters can get herpes.

Oysters Can Get Herpes, And It's Killing Them

A deadly virus threatens to decimate oyster populations around the world

It's a blob! It's a brain! It's a bryozoan!

Brain-like Blob Found in Canadian Pond

The rarely seen creature, which is a type of bryozoan, is comprised of thousands of tiny organisms

Humpback whales sounding in Windham Bay, Alaska.

What Humpback Whales Can Teach Us About Compassion

Are these orca-fighting, seal-saving good Samaritans really just in it for themselves?

How the Narwhal Got Its Tusk

According to Inuit storytelling tradition, the narwhal was once an evil stepmother, who wove her hair into a tusk

A "flukeprint" is a patch of calm water on the surface created when a whale flaps its tail as it cruises along just out of sight.

How to Spot a Hidden Whale

Just as a hunter leaves a trail in the snow, a whale forms prints on the water’s surface

A horseshoe crab.

Forget Dinos: Horseshoe Crabs Are Stranger, More Ancient—And Still Alive Today

But now evolution’s ultimate survivors may be in danger

Coral reefs, like this one off the coast of South Africa, are rich both in hue and aquatic sounds.

Coral Reefs Sound Like Popcorn, and That’s a Good Thing

The oceans boast a vibrant soundscape, but we may be slowly silencing their symphonies

How Do Sea Lions Swim, Glide and Sometimes Even Nab Humans?

These living torpedoes pull themselves through the water using their front flippers, unlike other ocean creatures

This mass of ocean fossils was found in Montana, which used to be covered by a gigantic body of water.

Scientists Are Putting Tens of Thousands of Sea Fossils Online

The Western Interior Seaway is gone, but not forgotten

The sun may get all the attention, but our lunar lodestar helps creatures navigate the swells and tides of ocean life.

How Moonlight Sets Nature's Rhythms

Lunar luster triggers mating orgies, guides travelers and even can even provoke magical transformations

Rare Two-Headed Porpoise Found in North Sea

Only nine other cases of conjoined cetacean twins have ever been documented

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