Some live close to coral reefs. Some live near the surface. Some even live in the deep waters close to the bottom of the ocean. Sharks Top of Page Sharks are once of the better known predators in the sea. There are close to 250 species of sharks in the ocean.
Most sharks have sharp teeth that are used to catch their food.
The most dangerous shark is the great white shark, which can grow to over 20 feet long. Sea Ray Top of Page Sea rays fly through the water like birds through air. There are many types of rays in the ocean. The biggest ray is the manta ray, which can grow to over 25 feet from tip to tip, and can weigh 3,000 pounds. Fish Schools Top of Page Most fish travel in schools for safety.