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Fish

This yellow-bellied watersnake gave birth without male contact in the last eight years.

Cool Finds

In Nature, Virgin Births Are Pretty Common

Fish do it, bugs do it, even some species of snakes do it

A cichlid fish swims in Lake Tanganyika. New research has shown new cichlid species coming to be in a much smaller crater lake in Tanzania.

New Research

Darwin’s “Puddle” Could Show How New Species Emerge in Close Quarters

A genetic study of cichlid fish in a small crater lake seems to support a debated evolutionary concept

Lake Titicaca in myth is the birthplace of humanity, and the people who live on its shores depend on it for their livelihoods.

Age of Humans

What Are North American Trout Doing in Lake Titicaca?

The famous lake between Bolivia and Peru is struggling due to pollution, overfishing and the misguided intentions of almost 100 years ago

Cool Finds

Eased Sanctions Could Mean a Comeback for Iranian Caviar

Does this mean tough times for the endangered sturgeon?

Trending Today

Five Things to Know About the Genetically Engineered Salmon Approved by the FDA

Sustainable seafood or “Frankenfish”?

Behold the Blobfish

How a creature from the deep taught the world a lesson about the importance of being ugly

Trending Today

America’s in the Midst of a Lobster Boom

With the lobster catch up sixfold in the last 30 years, can we eat without worry?

Trending Today

An Oregon Brewery Is the First Ever to Go “Salmon-Safe”

Hopsworks Urban Brewery is the first in the United States to be certified Salmon-Safe

A dead chinook, likely killed by disease, in the Elwha River in Washington

Trending Today

Drought Could Kill Off Many of the West Coast’s Fish

Fisheries managers are already struggling with low water and disease brought by warmth

Opah caught off the coast of Hawaii can weigh 200 pounds.

Taking the Temperature of the First Warmblooded Fish

What can the opah tell us about the deep blue sea

Humans take 14 times more adult biomass from the oceans than other marine predators.

Anthropocene

Modern Humans Have Become Superpredators

Most other predators target juveniles, but our species tends to kill more full-grown adults

The larger Pacific striped octopus uses unique prankster shoulder-tapping techniques to lure shrimp prey within arms' reach.

New Research

Tropical Octopus Definitely Mates Beak-to-Beak

Larger Pacific striped octopus couples engage in a host of behaviors unheard of among other octopuses

Corythomantis greeningi frogs carry potent venom in their pouts.

Ask Smithsonian

What’s the Difference Between Poisonous and Venomous Animals?

The first known venomous frogs, discovered in Brazil, raise some basic questions about toxic biology

Unlike the tails of almost all other animals, seahorse tails are more like square prisms than cylinders.

New Research

Why Seahorses Have Square Tails

Engineers show that the animals’ prism-like tails are mechanically superior to cylindrical ones

New Research

Smelling a Fish May Improve Critical Thinking Skills

New research shows that gross smells can foster a healthy sense of distrust

A collection of fish teeth and shark scales from the Early Cenozoic period.

New Research

After the Dinosaurs Died, Earth Experienced the Age of Fish

The fossil record shows how ray-finned fishes took over the planet’s oceans

A cownose ray caught as bycatch off the coast of Virginia

Trending Today

Catch and Release: This Device Could Help Accidentally Caught Fish Survive

The SeaQualizer returns fish safely to the depths of the ocean

Cool Finds

Could the Sounds of Cod Having Sex Save a Species (and an Economy)?

Spying on “spawning haystacks” is helping fishermen make more money and biologists preserve a floundering fish population

American South

Sleep With the Fishes: The Best Places to Spend a Night Underwater

As the weather heats up, escape to these hotel rooms beneath the waves

New Research

In the Future, We Might Take Sunscreen in Pill Form

A discovery in some fish suggests that sunblocking chemicals could be ingested rather than slathered on

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