Bull Sharks will hit on anything, in South Africa they are called Macau (sp?) they are also able to live in fresh water. 2 years ago I spent the night in San Pedro and walked the beach around 5pm. two seperate fishermen had each caught over 10 ft Bull Sharks and had them layed out on picnic tables cleaning them and giving away the meat. They however were just outside the channel and did not really want them, they were fishing for big fish and hooked them, living 26 years in Hawaii, they say statistics are the same everywhere, that for every 10 times you swim in the ocean you will 2 of those times be within 5 feet of a shark that could harm you. You just dont know it. Which is trying to explain they usually dont.