While Jaws remains the definitive killer animal story, some movies offer a unique and thrilling spin on the concept.

A shark expert, whose own curiosity about these fascinating fish was sparked by the movie "Jaws," explains some of their unique features and the many discoveries made in the decades after its release.

When author Peter Benchley’s 1974 book was going to print, he needed to choose a title. He has juggled various titles — “Leviathan Rising,” “Silent Fall” — before, at the last minute, choosing “Jaws.” What did it mean? Benchley, himself, wasn’t sure, he told his editor, but it was short.