A 400-million-year-old jawed fish fossil found in the Arctic, Romundina gagnieri, could be a key link in the evolution of ...

Interspecies communication was once thought to be rare outside of humans and apes, but research has shown it occurs in a ...

Have you ever wished you could swim like a fish? How about speak like one? In a paper recently published in the Journal of ...

But brook trout, after expanding to new streams, face stiffer competition as warming threats worsen.

One fish truly has a unique place in history, particularly because it has managed to exist on earth in some form since prehistoric times. We are referring to the sturgeon, a family of bony fish that ...

Life on our home planet dates back to hundreds of millions of years before the arrival of the dinosaurs. Among the most ...

Shark sightings on the east and west coasts have been on the rise as Americans flock to beaches in hopes of cooling off. In Hawaii, a tiger shark was recently spotted swimming 30 yards from the island ...

Tuna, opah, and billfishes such as marlins and swordfish are among the 0.1% of fish species that are warm-blooded. Evidence by an international team of researchers led by UC San Diego’s Scripps ...