A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

In the past, many scientists believed that only mammals and birds could feel or think in complex ways. Reptiles, fish, and insects were seen as simple creatures that reacted purely on instinct. But ...

Researchers believe they may have worked out why giant trevally swim upstream in the Mtentu Estuary and circle in vast ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

Here are all the new fish and bugs you can catch in Animal Crossing: New Horizons in May. We've sorted by bells so you know ...

A huge meetup featuring rare exotic animals, unique pets, and impressive fish all in one place.