(Close-up of a shark with sharp teeth. Credit: GIOVANNI NITTI / Shutterstock.) Shark teeth are a marvel of evolution. They are so sharp that many island cultures once used them as weapons and tools to ...

Piranhas belong to a family of bony fish characterized by highly developed dentition. They’re cousins to the pacu fish, which has dentition eerily similar to human teeth. Unlike pacu teeth, which are ...

Don’t Let the Cuteness Fool You—These 5 Dog Breeds Have Shark-Like Teeth, Experts Say originally appeared on Parade Pets. It's no secret that the re-release of the original Jaws movie is headed to a ...

The animal lovers at ZooEarthTV show wild otters expertly using their sharp teeth to crack open and enjoy crunchy crab meals.

Whales are mighty. Blue whales, for example, aren’t only the largest animal on Earth, but as far as we know, they’re the largest animal that’s ever existed on Earth—and that includes dinosaurs.

You probably don’t think much about teeth until a dentist brings them up. But across the animal kingdom, tooth counts can get wild fast. Some sharks go through thousands in a lifetime. Slugs carry ...