Paleontologists at University College Cork have discovered that the evolution of fish is linked to the shape, location and ...

A few dozen miles from the Gulf of Mexico, in a river winding through the Houston area, a fish with a lineage stretching back ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

Learn more about the amblyopsid cavefishes, the eyeless fish that inhabit the caves of eastern North America, whose evolution can uncover the age of difficult-to-date cave systems. This is the Hoosier ...

Fossils in Brazil indicate a more complex evolutionary history for ray-finned fish brains than previously anticipated, according to new research. The researchers not only found well-preserved brains ...

The first cytogenetic study of three Atlantic flying fish species reveals striking chromosomal and ribosomal DNA divergence ...

Why are there so many species of coral reef fish? According to a new study, it’s because about 50 million years ago, some fish figured out how to bite food from hard surfaces. Evolution doesn’t ...

A 319-million-year-old fossilized fish skull holds the oldest example of a well-preserved vertebrate brain. Scientists pulled the skull from a coal mine in England more than a century ago. The brain ...

3D rendering of the tiktaalik, an extinct walking fish. Dotted Yeti/Shutterstock When you think about human evolution, there’s a good chance you’re imagining chimpanzees exploring ancient forests or ...

Atlantic and Baltic herring are typical plankton-eating fish of central importance for the northern Atlantic Ocean and Baltic Sea ecosystems. A new study published in Nature Communications led by ...

Complex teeth with multiple cusps in an African cichlid fish. The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that ...