Setting up an aquarium requires more than just buying a tank and filling it with water. You must also determine tank size, water temperature, and, of course, the fish that will call the tank home. To ...

Bass in southeastern rivers turn out to be two species, highlighting hidden diversity and growing threats from habitat ...

Several iconic fish species are now slipping quietly into rarity, their disappearance reflecting a deeper crisis unfolding ...

Add Yahoo as a preferred source to see more of our stories on Google. array of white fish on blue plank background - Lauripatterson/Getty Images We may receive a commission on purchases made from ...

Emperor cichlids, large fish native to Lake Tanganyika in Africa, don't like being stared at, especially if someone's gaze is ...

Freshwater fish are now the most imperilled vertebrates on the planet, with migratory species being particularly vulnerable ...

A first-of-its-kind assessment of migratory freshwater fish brings to light many species in need of international protection.