How do fish breathe? Is coral a plant? Which sea creatures are poisonous? The answers to these questions and more can be found in this fact-filled book.Simple, easy-to-read text, detailed photos and lively illustrations introduce this fascinating topic.Also includes links to recommended websites to learn more. Chapters in this book include:- Seas and oceans- Underwater life- Who eats who?- Hiding- Coral reefs- Coral reef animals- Living together- Poisonous animals- Sharks- Rays- Whales- Dolphins- Deep sea- On the move- Cold oceans- Waves- Currents- Tides- Coasts- Seashore life- Dangerous seas- Boats and ships- Exploring the depths- Unknown seas- Shipwrecks- Using the oceans- Dirty oceans- Emptying the oceans- Getting warmer- The future of the oceans- Undersea facts and records