Marine life includes an incredible and vibrant array of wild animals that live in the ocean. From tiny phytoplankton to massive blue whales, marine life is a vital source of food, energy and life for the entire planet.
  • Corals & Jellies
  • Crustaceans
  • Mollusks
  • Starfish & Related Organisms
  • Other Marine Life

Krill, shrimplike crustaceans that inhabit the open seas. There are more than 90 species, found from the surface of the ocean to a depth of 6,000 feet (1,800 m).

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The Ultimate Ocean and Marine Life Quiz

Oceans cover most of the Earth's surface. They include a vast diversity of life, everything from plants to large mammals. Oceans represent a truly undiscovered world for most people. Take this quiz and learn more about ocean life.

Sea Squirt

The sea squirt is a marine animal usually found in coastal areas. Most sea squirts live permanently attached to such objects as rocks, shells, and wharves.

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