Studying ancient sea creatures’ snoozing habits could shed light on the origins of sleep.

A finger-length fish has reignited a long-running debate about self-awareness, cognition and how much we’ve underestimated ...

For 162 million years, sturgeons have fended off everything they’ve faced. Now scientists are racing to save these living fossils. The white sturgeon is the largest freshwater fish in North America; ...

When Ted Judah goes scuba diving off the coast in Monterey Bay, he normally swims at the surface to the area above the dive ...

By Astrid Arellano In the early 2000s, José Juan Flores Martínez was studying for a bachelor’s degree in biology and working ...

At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the deepest-living fish on Earth. If you were to drop a camera into one of Earth’s ...

For many people, owning fish and watching them swim around in their colorful aquariums reduces stress and invites a calming atmosphere. However, the health and happiness of your fish is just as ...

On a cool October morning, members of the St. Croix Chippewa Tribe gathered at the Clam Lake boat landing in northern Wisconsin, carrying five-gallon buckets of small, wriggling lake sturgeon. After a ...

Have you ever wondered if fish have tongues? You probably haven’t, but it’s an interesting thought to explore. Social media allows us to see the anatomy of different animals up close. For example, ...

(NEXSTAR) – Ohio residents could have the chance to make hunting and fishing a constitutional right in the state next year, a move roughly half the country has already made. The resolution, which ...

Sleep in fish may look different from humans, but rest is essential for survival. Here’s what experts have to say about fish sleep. A protective mucous cocoon surrounds this parrotfish as it sleeps in ...