The lemon shark can work a maze as well as a rabbit. Sharks are eating machines. A 45 kilogram shark will eat the equivalent of three double hamburgers a day. Some sharks have lived for a year without eating, surviving on the oil stored in their livers.
Most sharks are large.
Sharks have a habit of eating people. However, if the bodies of all the sharks killed by humans in one year were stacked in a pile, it would weigh more than a billion pounds. Sharks wander randomly through the ocean. Sharks like to hunt alone. Dogfish sharks were so named because they swim in packs.