Along a nine-mile stretch of river between two waterfalls in the Australian rainforest lives a tiny fish that’s been there for millions of years, hiding between rocks along the riverbank by day and ...

A large fish-eating dinosaur died beside a river 125 million years ago in Cretaceous Thailand. Now, the remains of this ...

Contrary to popular belief, fish are surprisingly intelligent. Discover the fascinating studies showing fish can remember their surroundings and even recognize human faces.

Despite its tropical climate and floodplain location, Bangladesh—one of the world's most densely populated nations—seasonally ...

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