Dramatic footage has emerged from the coast of California, US of the moment a hammerhead shark decided to take a share of a fisherman's tuna catch. <br /> <br />The video, captured late last month off the coast of Dana Point, shows the shark getting up close and personal to grab some of the tuna. <br /> <br />The filmer wrote online: "We had a wide open Yellowfin Tuna and Skipjack Tuna bite and this beast came to take his share."
