Shark attacks, sightings around the world
This year was full of frequent shark sightings in the waters off Cape Cod and along the central California coast.
A shark attack at an Air Force base beach claimed the life of an experienced surfer on Oct. 23.
A 12-foot shark was spotted on Aug. 15 dangerously close to shore, only five feet off Newcomb Hollow Beach in Wellfleet.
Here's a guide to shark facts, attacks, sightings and what to do if you come to face to face with one.