All steelhead start life as rainbow trout, but not all rainbow trout will become steelhead. Confused? You’re not alone.

A community of rare fish enthusiasts collects endangered species of freshwater fish from lakes and springs around the world, ...

It mostly refers to one specific family of freshwater fish. The scientific name for this family is Melanotaeniidae. It contains a number of subfamilies. Within these subfamilies, there are at ...

Scientists have discovered the fossilized remains of a new fish species called Ferruaspis brocksi, which lived 15 million ...

Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater ...

The State Department of Environmental Conservation Acting Commissioner Amanda Lefton has announced the April 1 start of the ...

In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, ...

The ghost catfish is a small freshwater fish that is native ... which are stacked tightly and can bend light into rainbow colours. When the fish swim, their muscles relax and contract and create ...