Gars are the ultimate living fossils, having changed at an incredibly slow pace since their ancestors emerged during the dinosaur age 150 million years ago, scientists have revealed. This leisurely ...

A fish with grey and orange scales, with its mouth wide open exposing a row of human-looking teeth A young boy in Oklahoma has caught a bizarre, piranha-like fish with eerily human-like teeth hidden ...

The Atlantic cutlassfish, or as most fishermen call them ribbon fish, are out and about, flashing their slender, silvery-blue bodies and rows of razor teeth. At least two were known to be caught by ...

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.

Can we examine the teeth of living fish and other vertebrates in detail, repeatedly over time, without harming them? Previously, small animals often had to be euthanized to obtain precise information, ...