Whale sharks are considered to be an endangered ... The scientists attribute this to the tiny “eye teeth” having a different purpose. Rather than making the animal faster in the water, the ...

At up to 33 feet (10 m) long, whale sharks are the biggest living species of fish in the world. But that's not what qualified them for a spot on this list. Instead, it's their eye-teeth.

Yet back then, any one of these creatures could become prey to the ocean's fiercest apex predator: the megalodon, a giant shark with massive teeth and a body the size of a whale. In many ways ...

The sheer size of its teeth—some measuring over a foot long—immediately set Livyatan apart from any known whale, past or present ... the infamous megalodon shark, for similar prey.

one of the whale shark's only defenses. "It's a huge animal that has very tiny teeth," says Francesca Pancaldi, a marine biologist at Centro Interdisciplinario de Ciencias Marinas and a co-author ...