The shark is a meat-eating fish and one of the most feared animals of the sea. (1)________ classify about 259 species of fish as sharks. These fish live in oceans throughout the world, but they are most (2)_________ in warm seas. Sharks (3)________ greatly in size and habits. Whale sharks, the largest kind of shark, may grow 60 feet long. A whale shark (4)_________ up to 15 tons, more than twice (5)_________ much as an African elephant. The smallest sharks may measure only 4 inches (6)________ and weigh less than 1 ounce. Some kinds of sharks live in the (7)_________ of the ocean, but others are found near the(8)__________. All sharks are (9)__________, most of them eat live fish (10)________ other sharks.