A small fossil reveals that the largest freshwater fish, Otophysans, emerged in the sea, not in rivers, changing the ...

Over 50 Triassic coelacanth fossils of mawsoniid, found mislabeled in British museums, show these ancient fish thrived in ...

It’s not easy to catch bonefish. Wary of humans, these silvery fish—nicknamed grey ghosts—blend into the sandy flats where they forage and are quick to dart away. Several species of the fish are found ...