As for iridescence, river catfish have no scales, but their delicate skin is covered with a protective layer of slime that gives them a shiny glow. These fish are threatened with habitat ...

The Mekong giant catfish is the official freshwater heavyweight champion of the world. According to the Guinness Book of Records, a nine-foot-long individual caught in northern Thailand in 2005 ...

Seidel’s armored catfish live in a wide range of rocky habitats at various depths up to 130 feet, researchers said. A photo shows one catfish in its natural habitat. A Hypancistrus seideli ...

Conservationists in Cambodia on Friday celebrated the discovery of six highly endangered Mekong giant catfish in the critical Southeast Asian waterway plagued by illegal fishing, habitat loss and ...

The invasive species is quickly becoming abundant in Maryland’s rivers and outcompeting native fish for food and habitat. Blue catfish are preying on blue crab, menhaden, American eel ...