22 CONTENTS The Hammerhead Shark 4 Diet Mouth Nose Eyes Skin Skeleton Fins Tail Life Cycle Glossary Index 6 8 10 12 14 16 18 20 24 24 THE HAMMERHEAD SHARK There are more than 500 kinds of sharks The shape of the hammerhead shark's head sets it apart 4 There are 10 kinds of hammerhead sharks The smallest is only 35 inches 90 cm long The biggest can grow to be about 20 feet 6 m long 5 10 
