Scientists reveal the genetic secret behind the thick lips of African cichlids, linked to parallel evolution and proteins.

Species that are popular in the ornamental fish trade are very adaptive by nature. This virtue helps them easily adapt to ...

Train them to swim through hoops or follow your finger — they love the challenge. They recognize faces, learn tricks, and ...

Aquatic predators such as oscars, catfish, and pet turtles feed on other fish in the wild. But is feeding live fish a good ...