Now, a new fossilized fish skeleton found in China is older than the next-oldest specimen by a whopping 15 million years and is the, “oldest undisputed jawed fish.” ...

On a late night in 2013, Smith, the lead author of the 2018 paper describing the technique, placed a dye-stained fish skeleton under a fluorescence microscope—which uses a high-intensity light ...

Scans reveal the innocent looking 'pinecone fish' is hiding a terrifying internal skeleton of spiky ARMOR. The pinecone fish has a pale yellow color with black outlines on its scales ...

Theory had it that some continued to do without them, becoming sharks, while others re-evolved the modern-style skeleton of many fish, reptiles and mammals.

Vietti’s group helped discover several large fish, which included Diplomystus, Mioplosus, Priscacara and Phareodus.. The last day of the trip, at the American Fossil quarry, provided the group a rare ...

According to the report, a newly created genetic map of the fish enables investigators to link changes in, say, the fish's behavior or morphology to changes in its genome.