Researchers developed a way to run tests on fish learning and memory in the animals' natural environments. The results may ...

In fact, goldfish are actually an incredibly diverse, hardy, and large species of fish that can live quite a long time. There ...

MJ Algarra details to PEOPLE her experience swimming in the heart of hundreds of sharks and sea creatures during her dive off ...

"You have to make sure that you're prepared to handle the number, how large they get, and just how much they need to eat." ...

Museum ichthyologist Cristhian Conde-Saldaña uses evolutionary genetics to study freshwater fishes and document at-risk ...