Jaws (film) of a shark is simulated, the real shark enters a nearby estuary, killing a boater and causing Brody's oldest son, Michael, to go into shock. Brody then convinces Vaughn to hire Quint. Quint, Brody, and Hooper set out on Quint's boat, the "Orca", to hunt the shark. While Brody lays down a chum line, Quint waits for an opportunity to hook the shark. Without warning, it appears behind the boat. Quint, estimating its length at and weight at 3 tons, harpoons it with a line attached to a flotation barrel, but the shark pulls the barrel underwater and disappears. At
Great white shark the great white sharks launch their predatory attack from the deeper water below. They can reach speeds of up to and can at times launch themselves more than into the air. Just under half of observed breach attacks are successful. In 2011, a long shark jumped onto a seven-person research vessel off Seal Island in Mossel Bay. The crew were undertaking a population study using sardines as bait, and the incident was judged not to be an attack on the boat but an accident. Interspecific competition between the great white shark and the orca is probable in regions where dietary