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Pipe Coral
Photo: Pipe coral
WALLPAPER
Corals get their vibrant colors from the algae they host.
Photograph courtesy The Coral Kingdom Collection/ NOAA
Coral Profile Page

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Coral Features
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Hawaii's Outer Kingdom

Check out northwestern Hawaii's wildlife, as beautiful as art, in this multimedia feature.

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Virtual World: Barrier Reef

Bring your scuba gear and take a virtual trip to Australia to see the amazing diversity of species on the Great Barrier Reef.

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Vibrant New Reefs Found Off Brazil

The largest coral reef system in the southern Atlantic is twice as big as previously estimated, and it's teeming with life, experts announced.

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