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Fish

Elusive Deep-Sea Anglerfish Seen Mating for the First Time

The male clamps down onto his female partner, their tissue and circulatory systems fusing together for life

At the time of capture, the Smithsonian's coelacanth specimen weighed about 160 pounds and measured a little less than five and a half feet long.

How the Smithsonian’s Coelacanth Lost Its Brain and Got It Back Again

This year marks the 80th anniversary of the discovery of a fish believed to have gone the way of the dinosaurs 70 million years ago

Never-Before-Seen Footage of Clownfish Hatching

Thanks to the use of a specialized infrared camera, we’re now able to witness a never-before-seen phase of clownfish development

The genetics of the little skate changes our understanding of vertebrate evolution, from ocean to land-dweller.

New Research

What a Walking Fish Can Teach Us About Human Evolution

New research on the little skate reveals the genes it shares with land animals—and a common ancestor from 420 million years ago

Young Tourist Finds 90-Million-Year-Old Fish Fossil at Colombian Monastery

Palaeontologists were first alerted to the fossil by a 10-year-old tourist

Critically endangered desert pupfish spawning in 2012.

Alaska’s Earthquake Caused Endangered Desert Pupfish to Spawn

Nevada’s critically endangered fish are in an unseasonable spawn after the earthquake set their home rippling

Whether or not fish feel pain has been debated for years. But the balance of evidence says yes. Now the question is, what do we do about it?

It’s Official: Fish Feel Pain

The verdict is in. But will our oceanic friends ever get the same legal protections as land animals?

Coast guard officers in Costa Rica say they’re understaffed and overwhelmed. “We’re just order,” says Colonel Miguel Madrigal. “Not the law.”

An Unexpected Victim of Costa Rica’s Drug Trade: Fish

The archipelago was once synonymous with tourism, sustainability and biodiversity. Now collapsing fisheries have led to turmoil

Trending Today

UN Begins Negotiating First Conservation Treaty for the High Seas

International waters face threats from overfishing, mining, pollution and climate change and the new treaty may help preserve marine biodiversity

Marjorie Courtenay-Latimer stands with the taxidermied remains of her groundbreaking discovery.

In the 1930s, This Natural History Curator Discovered a Living Fossil–Well, Sort of

Marjorie Courtenay-Latimer was convinced she’d found something special in a pile of fish, but it took some time for her discovery to be recognized

New Research

Scientists Record the Thunderous Call of the Loudest Known Fish

The Gulf corvina’s collective mating call is so powerful that it can damage the hearing of sea lions and dolphins

A CT scan of Pseudoliparis swirei

Cool Finds

Meet the Record-Breaking Fish That Lives 26,000 Feet Under the Sea

The creature is a type of snailfish, and has adapted to survive crushing pressures

Humpback Whales

Trending Today

Mexico Establishes Largest Marine Protected Area in North America

The nation will fully protect 57,000 square miles around the Revillagigedo Islands from fishing and resource extraction

Using seal bombs to deter marine mammals is legal, though using them to round up target species is not.

Why California Fishermen Are Throwing Deafening “Seal Bombs” at Sea Lions

…and why no one is stopping them

A blue shark

Trending Today

Scientists Search for the Most Dangerous Places to Be a Shark

In a bid to stop the populations from dwindling, scientists are turning to big data

There are good reasons why you won't see a Siamese fighting fish swimming this way in the wild.

The Evolutionary Reason Why Fish Don’t Swim Upside Down

It’s a natural question for animals that float, but few scientists have delved into the details

Trending Today

Thirty-Three Migratory Species Get New Protections

Among the newly protected creatures are lions, chimpanzees, giraffes and whale sharks

The electric eel is the National Zoo's new main attraction.

Family Travel

The Shocking World of Electric Fishes

Fish like eels use electricity to navigate their worlds

A Cruise Ship Chef Hunts for Big Fish. Will He Succeed?

As luxury liner Europa 2 docks into port, its chef de cuisine has a major challenge ahead: prepare lunch for his very discerning clientele

This Train Hauls Fish Up a Mountain for a Living

The path of the North Rail Express from Norway to Sweden is a challenging one: starting at sea level, the train will have to climb 25 miles up

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