From sunlit surface water that teems with life to the deepest, darkest depths filled with some of Earths most unusual creatures, oceans are home to a wide array of life. Peel back the corners of the ocean to find out what fascinating life exists within this ecosystem, from Earths biggest animal, the blue whale, to tiny organisms, such as kelp. Discover where the worlds oceans are and what you can do to help protect our planets rich waters.