Sea Creatures

Microbeads and other tiny plastics could knock this aphrodisiac off the menu.

Your Cosmetics May Be Killing a Popular Aphrodisiac: Oysters

Microplastics from beauty products and other sources affected oysters’ ability to reproduce in laboratory experiments

A Giant Squid Visits a Japanese Harbor

These denizens of the deep usually lurk between 2,000 to 3,000 feet below the surface

John Steinbeck

Steinbeck’s Boat the "Western Flyer" Will Voyage Again for Science

The $1 million boat will see the water once again as an updated research vessel

Giant guitarfish (Rhynchobatus djiddensis)

Instead of Eyelids, This Fish Retracts Its Eyeballs

The giant guitarfish can pull its eyes nearly 1.6 inches inside its head

The yellow-bellied sea snake usually swims in tropical waters but this week one made its way to the California shore

Venomous Sea Snake Washes Up on California Beach, and El Niño May Be to Blame

The lost sea snake isn’t the only problem the California can expect to face during a strong El Niño year

Scientists Just Found a Sea Turtle That Glows

The turtle is the first biofluorescent reptile ever found in the wild

Wild pigs go for a dip off Big Major Cay in the Exhumas, Bahamas.

Not Just Dolphins: Where to Swim With Pigs, Penguins and the Gentlest of Sharks

At these beaches, splash around with some more unusual creatures

In a new video released by the WWF, viewers can glide through the Great Barrier Reef on the back of a sea turtle.

Researchers Strapped a Go-Pro to a Sea Turtle, and Here’s What They Got

See the Great Barrier Reef from a turtle's view

Researchers witnessed this coral slowly slurp up a sea slug back in December of 2014.

That Time a Mushroom Coral Ate a Sea Slug

Researchers observed the rare event off the coast of Thailand

Bart Shepard, the director of the California Academy of Sciences' Steinhart Aquarium collecting fish using a specialized decompression chamber

More than 100 New Marine Species Were Just Discovered in the Philippines

The creatures hail from a rarely before explored region of the ocean's water column

Visit the Pacific’s Deepest Hydrothermal Vents With Underwater Robots

Researchers spotted the vents nearly 12,500 feet beneath the surface during an expedition mapping the floor of the Pescadero Basin

Jeanne Villepreux-Power described how the Paper Nautilus grew its own shell

A 19th Century Shipwreck Might Be Why This Famous Female Naturalist Faded to Obscurity

Jeanne Villepreux-Power invented the aquarium and studied cephalopods, but today few recognize her name

Jellyfish Lake, Palau

Watch One Snorkeler Swim Through a Lake of Pulsating Jellyfish

Jellyfish Lake is a popular tourist destination

If a lobster’s home territory is written into its genetic code, it just may be possible to distinguish a legally captured lobster from one with a shady background—maybe even after it’s made it to the dinner plate.

To Make Lobster Fisheries More Sustainable, Scientists Attempt to Decode Crustacean DNA

As the battle escalates to combat illegal fishing, Smithsonian scientists offer up a possible genetic tool

Healthy ochre sea stars (Pisaster ochraceus)

This Beer Was Brewed to Save Sea Stars

A new ale sends some proceeds to research on sea star wasting syndrome

An ocean sunfish hangs out with pilotfishes

Goofy Looking Ocean Sunfish Are Actually Active Swimmers and Predators

The idea that these giant fish are lazy is just wrong

A 1911 illustration of a vampire squid

Poop Eating Vampire Squids Aren't Actually Squids at All

The strange-looking animals have a very different reproductive strategy than other cephalopods

The oceans are teeming with tetrapods—“four-legged” birds, reptiles, mammals and amphibians—that have repeatedly transitioned from the land to the sea, adapting their legs into fins.

Take a Deep Dive Into The Reasons Land Animals Moved to the Seas

Synthesizing decades of discoveries, scientists have revealed links between changing environments and animal movements

Hargrove greets Takara at SeaWorld of Texas in 2012.

Why Killer Whales Belong in the Ocean, Not SeaWorld

A former orca trainer makes the case against the theme park

Loggerhead sea turtle surfing the magnetic field

Earth’s Magnetic Field Draws Sea Turtles to Their Nests

Loggerhead turtles remember the magnetic fingerprint of the beach where they were born

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