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J. Murray Roberts studies and maps the cold-water corals known as Lophelia in the North Atlantic.
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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.
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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.
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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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The Belize Barrier Reef Reserve System consists of the largest barrier reef in the northern hemisphere, offshore atolls, and several hundred sand cays, mangrove forests, coastal lagoons, and estuaries. The system's seven sites illustrate the evolutionary h
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Charles Darwin's Ocean Upwelling

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An underwater photo of coral recovering from a bleaching event.
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A Pleasant Surprise: The Recovery of Bleached Panamanian Corals

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