Orange Cup CoralOrange cup coral clusters on a pier piling on Bonaire Island in the West Indies. About 80 percent of all life on Earth is found in the oceans, which cover 71 percent of the planet's surface.

Photograph by Paul A. Sutherland

PHOTO GALLERY

Coral Reefs

Discover one of the most beautiful—and threatened—habitats on Earth.

October 9, 2009

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