Due to this long period of evolutionary isolation, Polypterus still has many primitive characteristics that provide important ...

A Cretaceous Period bird called Vegavis iaai dives for fish in the shallow ocean off the coast of the ... as nesting among the anatomically modern birds based on two cranial characteristics — the ...

Although spermatocytes in different phases of meiosis can be identified based on the cell characteristics, such as cell and nuclear size and chromosome condensation, few systematic studies focused on ...

Ribbon fish are among the longest of the bony fish and are 30 feet in length. Shape and size only begin to cover the mysterious nature of the fish, but there is still more biology that happens ...

The research began almost a decade ago working with children who had a clinical history of allergies to bony fish. "We have a data bank of over 100 children with confirmed fish allergies ...

The researchers also studied fossils of extinct fishes dating back almost 400 million years and saw evidence that some of the oldest jawed fishes had bones with joint cavities for articulated ...

Aside from having skin in lieu of scales, there are some other differences. Most bony fish have gas bladders, which are simply gas-filled organs, to help keep them buoyant. Blobfish, like sharks ...

But fewer people are aware of their very distant relatives — a type of bony fish called the rainbow shark. Unlike their larger counterparts, rainbow sharks are actually small freshwater fish ...

Paleontologists have discovered a newly identified fish species in Australia so well-preserved that they could determine its last meal — dating back up to 16 million years to the Miocene Epoch.