Bonito terrorized the west coast of the Americas beginning about 1818, looting and burning Spanish galleons and taking his hoardings to Cocos Island ... of hammerhead sharks and other large ...

It was an exhilarating snorkelling experience among vibrant reef fish, with white-tipped reef sharks darting around ... as they had arrived. The Cocos (Keeling) Islands had left their mark.

“Entourage” star Adrian Grenier ventures to Cocos Island off the shore of Costa Rica to bring attention to the plight of endangered sharks who are being threatened by poachers and ocean pollution.