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J. Murray Roberts studies and maps the cold-water corals known as Lophelia in the North Atlantic.
Article

Exploring the Blue Planet with J. Murray Roberts

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Dr. J. Murray Roberts photographed these living polyps from the Mingulay Reef Complex off Scotland in aquaria in 2010.
Photo

Lophelia Pertusa Coral Polyps

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A squat lobster and blackbelly rosefish find shelter on a Lophelia pertusa coral reef off the southeastern United States.
Photo

Coral Reef Lobster and Fish

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A white fleck of plastic is engulfed by a coral polyp.
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Coral Eating Piece of Plastic

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This Caribbean sea anemone brightens a variety of Caribbean reef habitats.
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Sea Anemone

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Coral Head Near Pearl and Hermes Atoll, Hawaii
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Coral Head Near Pearl and Hermes Atoll

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Tiny sponge spicules.
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Sparkling Sponge Spicules

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The staghorn coral is listed as Threatened under the U.S. Endangered Species Act. It is one of 22 coral species listed.
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Staghorn Coral

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Dr. Valerie Paul, director of the Smithsonian Marine Station at Fort Pierce, Fla., examines tropical seaweeds on northwestern Guam’s coral reefs.
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Diving in Guam

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

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Happy World Ocean Day!
Article

Coral Letters: A Message from the Corals of Curacao

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Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
Slideshow

Zooxanthellae and Coral Bleaching

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