Researchers have described a new species of deep-sea lanternshark and crab, both with the help of specimens collected from a ...

Species across the planet are on the move. Climate change has already caused more than 12,000 species to shift their homes ...

A pair of studies show that American rivers are getting hotter, posing a risk for many fish species.

Two new black bass species - Bartram’s and Altamaha - are discovered in Georgia rivers after decades of anglers reporting ...

The Chicago River has proven itself fit for swimming. But what about raising a family? No one’s ever tallied the number of ...

When saltwater fish long ago evolved to live in fresh water, many of them also evolved a more sophisticated hearing system, ...

A tiny fish fossil found far inland in Canada reveals new insight into the evolution of catfish, carp, and 2/3 of all ...

The fish’s sagittal otolith, one of the small “stones” found in the ear of the fish, is “triangular shaped” with a “tadpole shaped impression,” according to the study. The gas bladder, or swim bladder ...