This story appears in the June 2016 issue of National Geographic magazine. This summer, we’ll look at three shark species with notorious reputations: tiger sharks, great whites and oceanic ...

Sand tiger sharks, also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the ...

But getting too close may not be such a good idea. According to National Geographic, tiger sharks are "second only to great whites in attacking people." They can grow up to 25 feet in length and weigh ...

thanks to a "strong government buy-in" for tiger conservation, expanded and heavily protected national parks, and strict anti-poaching laws, said National Geographic. This "incredible feat" was ...