The species was named Sphyragnathus tyche, combining Greek words "sphyra," meaning hammer and "gnathus," meaning jaw for the ...

In 2015, two members of the Blue Beach Fossil Museum in Nova Scotia found a long, curved fossil jaw, bristling with teeth.

A trade-off between tooth size and jaw mobility has restricted fish evolution, Nick Peoples at the University of California ...

Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought.

All the latest science news on ray-finned fishes from Phys.org ... —chemicals produced by animals—are well-known for influencing the social and sexual behavior of members of the same species.

Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought.

They’re a type of ray-finned fish, which began their evolution journey around 395 million years ago. These prehistoric fish belong to the genus Polypterus , which means “many wings.” ...

C. wildi lacks this hallmark feature of ray-finned fish, with the configuration of a part of its forebrain called the “telencephalon” more closely resembling that of other vertebrates, such as ...

Specimens from early ray-finned fishes like Coccocephalus can fill in the gaps about initial evolutionary phases of the roughly 30,000 ray-finned fish species living today.

The asprete, a ray-finned freshwater fish species that lives only in Romania, has long captured Mircea Marginean’s imagination. He remembers hearing about the species in 2011, when he was a ...

C. wildi lacks this hallmark feature of ray-finned fish, with the configuration of a part of its forebrain called the “telencephalon” more closely resembling that of other vertebrates, such as ...