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A soft, yellow coral
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Soft Coral

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Coral Comeback
Video

Coral Comeback

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a school of fish over coral
Video

Coral Forests of the Deep Ocean

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a red lionfish
Video

Lionfish on the Loose

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After ocean scientists sort deep-sea coral samples into their different types, they measure and photograph the specimens.
Slideshow

Studying Deep-Sea Corals

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Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
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Zooxanthellae and Coral Bleaching

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Colorful fishes throng a reef in the Northwestern Hawaiian Islands.
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Bizarre and Beautiful Coral Reef Animals

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A bluefin trevally swims in Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument.
Slideshow

Two Views of Coral Reefs: Thriving and Threatened

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A Pontoh pygmy seahorse
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10 Things You Never Knew About Seahorses

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a sunken propeller becomes overtaken by a reef with two scuba diver in the background
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SS Quartette

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a reef with plenty of fish
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SS City of Washington

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a fuzzy brown sea anemone cover the coral
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Corallimorphs

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