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, ...

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 ...

But fewer people are aware of their very distant relatives — a type of bony fish called the rainbow shark. Unlike their larger counterparts, rainbow sharks are actually small freshwater fish ...

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 ...

Fresh rainbow trout is widely available, either whole or as fillets. It is also sold both hot- and cold-smoked. Whole rainbow trout need the guts, head, gills and bitter tasting blood-line removed ...