The hybrid freshwater fish actually reproduces exclusively female clones, doing so for much longer than scientists thought ...

Modern walking fish share the same simple gait, offering new clues about how ancient vertebrates first moved from water onto ...

Habitat loss and water pollution in the early 1900s decimated their numbers, but they have been slowly recovering.

Atlantic sturgeon make so much noise during breeding, it's called a "thunder." Listening in can help scientists pinpoint ...

Darwin’s old puzzle starts with a simple question: when a species enters a new habitat, does it do better by fitting in or by ...

Scientists have discovered the fossilized remains of a new fish species called Ferruaspis brocksi, which lived 15 million years ago, and some of the fish have their final meals preserved inside their ...

There’s something oddly calming about watching fish move through water. No notifications, no noise, no rush – just a small world inside glass, carrying on quietly. Maybe that’s why freshwater ...

Fish farming involves the rapidly expanding global practice of raising aquatic species to meet growing food demand. The majority of these have no protection under national animal welfare laws, and ...

"Frankenfish" can harm native fishes, the recreational fishing industry and aquatic systems. Here's what to know about the ...

An unexpected new fish species is caught while bass fishing during an unusual and surprising discovery.

Have you ever looked at two circles of exactly the same size and sworn one was larger? If so, your eyes have been tricked by the Ebbinghaus illusion, a classic example of how context can shape what we ...