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

One of the 'world's rarest' fish species that was presumed to be extinct, the Chel snakehead, was rediscovered in the town of ...

In a river of southern China, a “slender” creature with “tiny scales” under its skin paused to rest along the gravel riverbed. Its coloring helped it blend in, but not well enough. Nearby scientists ...

In an underground cave of southern China, an eyeless river creature with an externally “visible” skull moved through the dark waters. Its hard-to-reach home helped it go largely unnoticed. But when ...

Residents of the Ottawa Valley, as well as visitors, appreciate the majestic Ottawa River as a large component of what makes ...

Striking New Moray Eel Discovered in Central Indo-Pacific River Mouths ... Different species of seabirds can coexist on small, isolated islands despite eating the same kind of fish.

Thousands of fish have been killed in a pollution incident in County Tyrone. The Loughs Agency said more than 2,000 dead fish had already been been collected from the Glenmornan river in the ...

Jonathan Armbruster, professor and curator of fishes in Auburn University's College of Sciences and Mathematics (COSAM), has ...

A newly discovered deepwater tilefish, Branchiostegus sanae, has been named after San from Princess Mononoke due to its ...

Eggs from a rare Mexican fish species believed to be extinct in the wild have successfully hatched at Bristol Zoological Society. Experts at the charity took delivery of more than 50 boxer pupfish ...

Beachgoers were shocked to discover an oarfish — a creature whose appearance, according to folklore, can be a good omen or a harbinger of doom.