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

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 ...

Drum fish are given their unique name not because they have drums in their bodies but because they let out croaker sounds produced by their swim bladders. There are around 275 species of drum fish, ...

Antarctic icefish have clear blood, no hemoglobin, and antifreeze proteins that let them survive freezing seas.

CHICAGO — Every time you bend your knee, rotate your shoulder, or nod your head, you’re using a remarkable piece of ...

The jaws of paddlefish caught by anglers on the Missouri and Yellowstone rivers are helping Montana fisheries biologists keep tabs on the reclusive and ancient fish. “I would say the jaws give us the ...

Digital reconstruction of tiny, 400-million-year-old jawless fish shows how traits for evading predators later gave rise to hunters A fossil the size of a fingernail is rewriting the opening chapter ...

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 ...