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 ...

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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, ...

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 ...

Why are there so many of species of coral reef fish? According to a new study, it’s because about 50 million years ago, some fish figured out how to bite food from hard surfaces. Evolution doesn’t ...

Immunostaining depicts collagen-2 (cyan) and nucleus (magenta) at the articulation in the little skate embryo's pelvic joint. Credit: Neelima Sharma, University of ...

Hundreds of millions of years ago, prehistoric seas and rivers were full of strange fish with armor, fins, lungs, slime, and ...

Molecular phylogenetics of fish parasites applies DNA sequence data to reconstruct evolutionary relationships among parasitic taxa infecting fish hosts. By analysing markers such as ribosomal RNA ...