Most carnivores have teeth to grasp and eat prey, so marine animals with teeth are not uncommon. Sharks, dolphins, eels, whales, many fish species, and marine mammals like seals and sea lions have ...

Add Yahoo as a preferred source to see more of our stories on Google. Fossils of the ancient armored fish Romundina gagnieri reveal that early vertebrates had teeth growing on dental plates rather ...

Penguins are an enduring favorite in aquariums all over the world. Even videos are fun to watch, as penguins dive into the ocean or waddle along the shores of Antarctica. Although there are a number ...

A juvenile spotted ratfish. These deep-sea fish are named for their long, rat-like tails. Gareth J. Fraser, University of Florida Deep in the ocean, you can find a strange fish with teeth not just in ...

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives important feedback about temperature, pressure—and yes, pain—as we bite and chew ...

Why are our teeth so sensitive? The answer originates in the armored skin of ancient fish. If you’ve ever experienced dental pain, you've probably wondered why our teeth would evolve to function like ...