Researchers have rediscovered a rare fish species presumed to be extinct after it was not seen for more than eight decades.

Fish can be found in freshwater, like ponds and streams, and also in salty seawater. Fish come in so many different shapes ... There are over 30,000 different types of fish in the world that ...

The giant freshwater stingray may be the world’s largest freshwater fish. It’s also cloaked in mystery. No one is sure how many ... different enough to constitute different species.

The Environment Agency has boosted the populations of dace, chub and roach in Greater Manchester as 4,000 fish have been released into the River Tame ...

Roughly 2,500 species of fish exist in the Amazon River, and about 100 different species are sold ... Though this research was conducted in the Amazon, many findings are more broadly applicable.

Colorado Parks and Wildlife biologists were conducting a routine fish survey on the Colorado River when they made an ...