Ages 6 to 8 years. Text in Spanish. The Life Cycle of a Shark gives children clear insight into the growth and development of these fascinating, prehistoric fish. Children will be eager to discover how shark pups are born, the behaviours and feeding habits of juvenile sharks, and how adult sharks find one another in order to mate. Clear text and pictures help readers learn: how sharks develop and grow; how sharks locate food; how sharks are important to the oceans.