For the first time, researchers in Brazil recently documented a rare sighting of bumblebee catfish as they engaged in a unique climbing behavior up a waterfall.

Many people's long-term romantic behavior is similar to dead fish floating with the current, slowly drifting with the stream. Is such behavior damaging? Not always, it would seem. Decision-making ...

DUNEDIN, Fla. (WFLA) — An eagle ray and a cobia fish were spotted swimming together in Dunedin on Tuesday. Drone video ...