Deep in the ocean, you can find a strange fish with teeth not just in its mouth, but also on its head. The spotted ratfish, a relative of sharks, measures about two feet long and is found in the ...

A fish with large, human-like teeth was caught off the coast of North Carolina last week. It was a sheepshead fish brought in by Nathan Martin, and photos of it were posted to Facebook by Jeanette’s ...

DETROIT — Michigan wildlife officials have confirmed several instances of anglers pulling fish with oddly-shaped teeth out of local lakes this summer. Although some may find the teeth disconcerting, ...

The next time you wince from an ice-cold drink or a too-hot slice of pizza, blame your ancestors. Specifically, the armor-plated fish that swam Earth’s oceans over 460 million years ago. A new study ...

To say spotted ratfish are unusual is an understatement. Related to sharks, they abound in the inky dark depths of the Puget Sound. Armed with a venomous fin, they swim gracefully along the sea floor ...

A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into something cold, can be traced back to the exoskeletons of ancient, armored fish.

NEW YORK — A big catch of fish fossils in southern China includes the oldest teeth ever found — and may help scientists learn how our aquatic ancestors got their bite. The finds offer new clues about ...