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, ...

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, ...

A new study has revealed that teeth, as we know them today, didn’t evolve for chewing or biting, but for sensing the environment around ancient fish. This discovery pushes the timeline of vertebrate ...

Our sensitive teeth originally evolved from the "body armor" of extinct fish that lived 465 million years ago, scientists say. In a new study, the researchers showed how sensory tissue discovered on ...

Add Yahoo as a preferred source to see more of our stories on Google. A CT scan of the tooth-like odontode structure from Astrapsis, an ancient jawless vertebrate fish shows that its tubules (shown in ...

The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that the ease with which these fish can develop a biological ...

How the dental mold works: Researchers take impressions of fish teeth, using a fish called Polypterus as an example; (A) 3D model of the mold showing mandibular/lower side, maxillary/upper side, and ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Our sensitive teeth ...

What has needle-like teeth so large they don’t fit inside its mouth, a huge gaping jaw that completely engulfs its prey, and lives in the depths of the ocean where sunlight can’t reach? That would be ...

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.