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Flower-like clusters of pink polyps make up this coral colony.
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Coral Colony

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The Tubbataha Reefs National Park site in the Philippines was inscribed on the World Heritage List in 1993. The site is an example of a pristine coral reef with a spectacular 100 m (330 ft) perpendicular wall, extensive lagoons, and two coral islands - all
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Tubbataha Reefs Natural Park, Philippines

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Red coral necklaces in a display window. Harvesting deep-sea coral to produce jewelry like this threatens these ecosystems.
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Coral for Sale

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A piece of the Hyperbolic Crochet Coral Reef exhibit.
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When Art Meets Science: The Hyberbolic Crochet Coral Reef

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A screenshot from the video of colorful corals.
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Slow Life: Time-Lapse on the Coral Reef

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stony corals among sea fans
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Ancient Reefs Reveal Glimpse at Future Oceans

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Purple, pink and green corals growing underwater on a metal fence-like substrate.
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The Coral Gardener

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An underwater photo of coral recovering from a bleaching event.
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Resilient Coral

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Half a century after nuclear testing blasted the reefs of Bikini Atoll, corals have recovered.
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Bikini Atoll Coral

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What is coral? The answer is coral is an animal. This cutaway diagram of a coral polyp shows the location of its photosynthetic algae, or zooxanthellae, which coral needs to survive.
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What Is Coral? A Coral Polyp and Zooxanthellae

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A coral head in the Mesoamerican Reef has both bleached and living coral. The white sections are bleached and the brown parts still contain zooxanthellae, the symbiotic algae that provide food to their coral hosts.
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Bleached Coral On Mesoamerican Reef

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Scientist Martha Nizinski holds a squat lobster (Eumunida picta) collected at the Lophelia reefs off Cape Lookout, North Carolina.    
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Squat Lobster from Reefs of North Carolina

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