Why are there so many species of coral reef fish? According to a new study, it’s because about 50 million years ago, some ...

A trade-off between tooth size and jaw mobility has restricted fish evolution, Nick Peoples at the University of California Davis, US, and colleagues report June 24 th in the open-access journal PLOS ...

A new study in Proceedings of the Royal Society B reveals the surprising neurological landscape of fish brains. Harvard ...

Editor's note: All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. We’ve all seen this poster in our middle school ...

The evolutionary history of freshwater fishes is a rich tapestry woven from both molecular and palaeontological threads. Over millions of years, diverse lineages have adapted to continental waters, ...

The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ancient jawed fish ancestors, according to a new study. The efficient ...

When we think of the fish that inhabit the deep blue sea today, it’s easy to forget that they haven’t always been there. The ocean was once a much quieter place, populated mainly by smaller creatures, ...

In Hungary, ethological research is most often identified with tests on dogs, but novel methodological advances could bring another species, the paradise fish, into the spotlight. Fish are easy to ...