Some reef fish have the unexpected ability to move their jaws from side to side, biologists at UC Davis have discovered. This ability — which is rare among vertebrate animals — allows these fish to ...

Moray eels already look terrifying on their own. However, few people know that these creatures have a second set of jaws inside their mouths, lined with sharp teeth. This hidden jaw only springs ...

If you're reading this sentence, you might have a fish to thank. Fish were the first animals to evolve jaws. They use their jaws primarily to eat, but also for defense, as tools—such as to burrow or ...

Scientists uncovered a 310-million-year-old fish fossil with a “tongue bite,” teeth on the roof and floor of its mouth that worked like a second jaw. This adaptation, previously thought to have ...

For human beings and 99.8% of our fellow vertebrates, having jaws is an integral part of life. Just try eating a taco without them. But, like everything else in our bodies, jaws had to start somewhere ...

Newly discovered species of extinct fish shows striking similarities to unrelated modern-day predators, suggesting certain traits have emerged multiple times and remained consistent over hundreds of ...

A new study using high-speed video shows for the first time that the reef fish Zanclus cornutus (Moorish idol) and the related surgeonfish can move their jawbones sideways as well as up and down. This ...

Some reef fish have the unexpected ability to move their jaws from side to side, biologists at the University of California, Davis have discovered. This ability – which is rare among vertebrate ...

Whole skeleton of Dipterus, an extinct lungfish from the middle Devonian period. Specimen (UMMP 16140) from the University of Michigan Museum of Paleontology. ANN ARBOR—If you're reading this sentence ...

Credit: Proceedings of the National Academy of Sciences (2025). DOI: 10.1073/pnas.2418982122 Some reef fish have the unexpected ability to move their jaws from side to side, biologists at the ...