Still not convinced? Take the quiz below before you head to the beach. Taste the water. If it’s salty, there are sharks. Scan the ocean and look for a shark’s fin above the water. Check for ...

But many species are now under threat from climate change, overfishing, pollution and the shark fin trade. How much do you know about these incredible creatures? Take our quiz to find out.

Before you take our quiz on sharks below, you might want to learn about how Hollywood's inaccurate depiction of sharks as crazed killers is harming them in real life. There are also other ...