7 gill shark

Sharks

So you think you know sharks

In some form, sharks have been around for about 400 million years. They are the top predators of the ocean's natural food chain. Even before dinosaurs roamed the earth, sharks hunted through the oceans! They're such good survivors that they've had little need to evolve in the last 150 million years.

Bad publicity around a few shark species has doomed sharks in general to the misconception that they are vicious man-eaters. In fact, only 10 out of all the shark species are considered dangerous to humans. All sharks should be treated with respect, though, as they are predators, often with sharp teeth that could inflict wounds.

Let's learn more about a few of these fascintaing creatures: