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A brown-colored deep-sea coral sits on the deep ocean floor and is covered with brown oil floc.
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Anemone On Deep Sea Coral

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Black coral, primnoid coral, and feather stars flourish deep on the pristine Davidson Seamount.
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Diverse Deep-Sea Coral Community

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This black coral is more than 4,200 years old. Named for the color of their skeletons, black corals come in many colors.
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How old is black coral?

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a crab next to a coral den
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Crabs Make Coral Castles

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The Autonomous Reef Monitoring Structure was developed to help scientists study coral reef diversity and have now been adopted broadly to study diversity around the world.
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Reef Monitoring Structure

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A deep sea crab (Rochinia crassa) poses with sea fan (Callogorgia spp.) and coral (Lophelia pertusa) on large carbonate boulder.
Slideshow

Oil Invades Coral Communities of the Deep

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A coral has just spawned. Each of the hundreds of polyps releases a small pink bundle of sperm and eggs.
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A Tale of Sex and Stress in the Ocean

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A zoomed-in image of the crown-of-thorns sea star.
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A Plague of Sea Stars

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A close-up image of red coral polyps.
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Star of the Reef: One Species at a Time

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Leopard Sea Slugs Crawl Together on Colorful Coral
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Leopard Sea Slugs Crawl Together

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A brittle star clings to the branches of a deep sea coral
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A Brittle Star May Be a Coral’s Best Friend

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Photograph of a many-armed sea star with maroon and white feathery-looking arms, with a deep red sea fan in the background.
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Feather Star

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