We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely ...

This catch looked normal until it wasn’t. From strange colors to bizarre features, this fish had something seriously off, and ...

Scientists have long assumed that fish save energy by swimming in neat diamond formations, but a new study using advanced 3D ...

Water and air pose completely different challenges to animals on a number of levels.

The magic of Fish Creek, Wisconsin begins with a gentle exhale – that moment when your shoulders drop an inch and the ...

Betta fish, known for their vibrant colors and flowing fins, have developed a sophisticated language that relies primarily on visual cues rather than sound. These remarkable creatures, scientifically ...

Koi fishes. Image by Openverse. Research has provided compelling evidence that fish do experience sleep-like states. Studies using electroencephalography (EEG) on some fish species have detected ...

A new method shows fish can learn and strategize in their natural habitats, challenging long-held views based on lab studies.

If collecting fish in Animal Crossing, Stardew Valley, or Dave the Diver consumed your life, this new fishing RPG might be perfect for you ...

From the striking rainbow colors of parrots in the rainforest to the brilliant flashes of yellows, oranges and blues in coral reefs, vibrantly colorful wildlife abounds in tropical ecosystems. But ...

Over 90% of Southern California's freshwater fish have parasites that can impact human health, warns UC San Diego study. Learn how to reduce infection risk.