The skulls of tetrapods had fewer bones than extinct and living fish, limiting their evolution for millions of years, according to a latest study. The skulls of tetrapods had fewer bones than extinct ...

A new study shows that fish brains often do not fill their skulls. This changes how scientists study brain evolution and ...

After decades of eluding human detection, a deep-sea fish with a transparent skull has finally been captured on camera. This remarkable creature offers fresh insights into the unique biology of ...

A new study in Proceedings of the Royal Society B reveals the surprising neurological landscape of fish brains. Harvard ...

(CNN) — Hundreds of millions of years ago, jawless fishes swam Earth’s seas, their brains protected on the outside by armored skin, and on the inside by plates made of cartilage. Scientists are still ...

Scottish fossil fish, Megalichthys pygmaeus, reveals new details about the skull and provides clues about species from a coal ...

In the aquatic environment, suction feeding is far more common than biting as a way to capture prey. A new study shows that the evolution of biting behavior in eels led to a remarkable diversification ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of the Devonian-period fish Dunkleosteus at its old presumed length of about 30 feet. An illustration of the ...

A fossilized cranium of an extinct species of stargazer fish was stuffed with tiny fecal pellets known as coprolites, according to a recent paper published in the journal Rivista Italiana di ...