From colorful displays to aggressive fights, mating rituals vary widely across the animal kingdom. But one of the strangest comes from male ghost sharks – also known as chimaeras – who use their teeth ...

Male spotted ratfish have true teeth on a forehead appendage used for mating. Across vertebrates, teeth share many defining ...

Do they make dentures for sharks? In the future, they might need to, with recent research suggesting that sharks may lose their deadly bite to ocean acidification. Shark teeth are the envy of the ...

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 peculiar dental condition known as shark teeth is gaining increased attention from parents and pediatric health care professionals across the United States as more families encounter the startling ...

Researchers found that the USAG-1 protein could limit the growth of teeth in mice, so ensuring that the protein didn’t form ...

Credit: Max Baum/Cover Images It’s not just humans who have to watch out for acidic drinks - as new evidence shows that the acidifying oceans are ruining sharks’ teeth. The predatory fish may be able ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...

Sharks are known for their razor-sharp teeth, but a new study warns that rising ocean acidity could leave even the sea’s fiercest predators with weaker, more brittle bites. At the heart of the problem ...

If you've ever heard of the famous film about a shark, called Jaws... It probably would've been less scary, if it had been called Gums instead. It might sound funny, but new research suggests sharks ...