Stefan Lovgren writes on how freshwater fish from the Arctic to Africa are endanged by climate change and the unpredictable ...

A small fossil reveals that the largest freshwater fish, Otophysans, emerged in the sea, not in rivers, changing the ...

New species are being discovered faster than ever before — at a rate of more than 16,000 every year, suggests a new study.

Over 50 Triassic coelacanth fossils of mawsoniid, found mislabeled in British museums, show these ancient fish thrived in ...

RACINE - Bolstered by recent rains, on April 13 the Root River rolled past like a liquid highway of slightly diluted chocolate milk. The conditions didn't please the dozen steelhead anglers assembled ...