Fish can change their teeth quickly, which speeds up their evolution. Cichlids in African lakes show the fastest ...

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Researchers have recorded rig sharks producing clicking sounds by snapping their teeth together, likely as a stress or ...

Sharks are some of the most fearsome predators in the ocean, but did you know they have a secret superpower? Unlike humans, ...

They have “short” heads with “small and sharp” teeth, wrinkly skin and “pointed” tails ... after “three doctors with the last ...

A groundbreaking new study has revealed one shark species may be more vocal than previously thought, making noises comparable ...

Bad breath (medically known as halitosis) is a symptom of gastrointestinal (GI) conditions, such as acid reflux and ulcers.

Researchers have discovered a new-to-science species of ancient shark during an ongoing paleontological resource inventory at ...

All steelhead start life as rainbow trout, but not all rainbow trout will become steelhead. Confused? You’re not alone.

The fossilized remains of a newly discovered ancient shark species found in the depths of Kentucky’s Mammoth Cave National Park reveal not the sharp, pointy gnashers you’d associate with Hollywood’s ...

All kinds of animals are present on this Earth. Most animals have ravenous teeth that are used to hunt other animals. Here ...

Dolphins live and hunt in large social groups called pods, and they communicate with each other using high-pitched clicks and ...