Almost three-quarters of the Earth are covered by oceans and seas. These billions of ton of salty water are home to silent Sharks, playful Dolphins, huge Whales, spiny orange Crabs, giant Octopuses with their eight long arms, friendly turtles and fishes of all shapes and sizes. Beautiful under water gardens of bright colored coral provide a home for stinging sea anemones, poisonous sea slugs and deadly eels.
Many parts of the world's seas and oceans are too deep, dark and cold to support anything except small, simple, forms of life. Other places are so fantastically deep that nobody has ever been able to explore them. Someday, we may discover that even more incredible plants and animals than we imagined inhabit this silent, watery world.