Sperm whale the line, sparing the whales the need to hunt. However, the amount of fish taken is very little compared to what the sperm whale needs per day. Video footage has been captured of a large male sperm whale "bouncing" a long line, to gain the fish. Sperm whales are believed to prey on the megamouth shark, a rare and large deep-sea species discovered in the 1970s. In one case, three sperm whales were observed attacking or playing with a megamouth. The sharp beak of a consumed squid lodged in the whale's intestine may lead to the production of ambergris, analogous
Red king crab Red king crab The red king crab, Paralithodes camtschaticus, also called Kamchatka crab or Alaskan king crab, is a species of king crab native to the Bering Sea. It grows to a leg span of , and is heavily targeted by fisheries. The red king crab is the largest species of king crab. Red king crabs can reach a carapace width of up to , a leg span of , and a weight of . Males grow larger than females. Today red king crabs infrequently surpass in carapace width and the average male landed in the Bering Sea weighs .