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 ...

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 ...

WASHINGTON (Reuters) - A bottom-dwelling, mud-grubbing, armoured fish that swam in tropical seas 423 million years ago is fundamentally changing the understanding of the evolution of an indisputably ...

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 ...

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 ...

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 ...

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 ...

Some reef fish have the unexpected ability to move their jaws from side to side, biologists have discovered. This ability -- which is rare among vertebrate animals -- allows these fish to feed rapidly ...