National Geographic Daily News

Great Barrier Reef Coral

Photograph by Nicole Duplaix, National Geographic

The temperate waters of the Great Barrier Reef off Australia's eastern coast support this coral found near Heron Island. Actually a reef complex, the Great Barrier Reef consists of at least 2,800 reefs and stretches more than 1,250 miles (2,000 kilometers) from its northern to its southern end.

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