B C B C Table of Contents What Are Corals 4 Kinds of Corals 8 Under the Sea 12 Coral Reefs 18 Glossary 22 To Learn More 23 Index 24 What Are Corals Corals look like plants or rocks under the sea But these invertebrates are actually ocean animals 4 Many corals live in warm shallow water Other kinds live in cool deep water 5 
