50 years after ‘Jaws,’ sharks face their own terror

Humans have driven sharks to the brink of extinction, but it’s not too late to save them

A whale shark looks toward the camera in an underwater photograph. Black-and-white striped fish swim in front of the shark and a scuba diver is in the distance.

The whale shark is among the many sharks species classified as endangered.

Shane Gross

One June 20, 1975, a fictional great white shark stalked beachgoers on Amity Island — and struck terror into moviegoers around the world.