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Pillar Coral
Photo: Pillar coral
WALLPAPER
Coral polyps can reproduce asexually, forming cloned buds that separate from the "parent." They can also release sperm and eggs into the ocean. Fertilized eggs develop into larva, which float off to start a new colony.
Photograph courtesy Florida Keys National Marine Sanctuary/NOAA
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Hawaii's Outer Kingdom

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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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