Just keep bidding! Just keep bidding! Fish enthusiasts who want to add to their aquarium — interested, maybe, in an orange ...

Near a village in northeastern India, a “dwarf”-like creature with a “large” mouth swam through the river — or tried to, at least. But something pulled it out of the water, moved it around and dropped ...

For years, scientists felt like the fish they were watching watched them back. A new study suggests they can recognize a diver's outfit.

Judges and buyers pay attention to how healthy its skin looks, its size and body shape, and how gracefully the fish moves in the water. But the most important trait of all is the koi's coloring.

A bright blue fish was caught off the coast of North Carolina — and it could set a world record. A photo shows angler Connor Stone holding the colorful fish, a member of the species called ...

With sumptuous, fleshy lips and a bulbous, protruding forehead, the humphead wrasse is an unforgettable fish. This enormous, colorful coral-reef dweller is slow to reproduce, making it vulnerable to ...

Vo Thanh Hai, 28, raises fish with showy colors, described by enthusiasts as 'Eastern jewelry', with prices ranging from hundreds of thousand to several million dong each.