Nishikigoi, better known as koi fish, are a well-known variety of the common carp. They are bright red and white and revered ...

While its black counterpart has dark gray vertical ... and maintaining the water quality in its tank. The white skirt tetra fish is a peaceful, low-maintenance freshwater staple for beginning ...

In many species, Johnson says, these lesions are black, “but in some species they’ll show up as white.” They form on the skin, scales and fins of fish. The spots appear when the free-swimming, larval ...

About the size of a human finger, bluestreak cleaner wrasse are tiny, blue, black and white fish that live on Indo-Pacific coral reefs. Bluestreak cleaner wrasse set up “cleaning stations” on ...

Black Marlin is known as the fastest fish. It can reach speeds of 80 km/h. This helps it catch prey and escape predators. They live in warm waters of the Pacific and Indian Oceans. The fish has a ...

The footage, captured in Spain's Canary Islands, shows the female fish, whose Latin name translates to "black sea monster," swimming through the light-filled ocean waters off the coast of Tenerife.

A West Virginia angler just broke a fish record in the Mountain State. Jerry Porter of Harts, West Virginia, caught a black crappie while fishing at East Lynn Lake in Wayne County. Porter reeled ...