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The branches of a primnoid coral in the genus Calyptrophora provide a habitat for galathaoid crabs.
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Primnoid Coral

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The pink strands of this coral harbor a variety of organisms. Sea whips are gorgonian corals, with flexible skeletons.
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Sea Whip Coral

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The mandarinfish lives in western Pacific tropical coral reef ecosystems and lacks the scales that are typically seen on bony fish.
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Mandarinfish Duo

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Algae has overtaken this coral reef off heavily populated Kiritimati, or Christmas Island.
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Unhealthy Coral Reef, Kiritimi, Line Islands

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A Coral Reef Watch satellite monitors the temperature of the world’s oceans.
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Coral Reef Watch Satellite

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A scuba diver explores elkhorn corals growing on a tropical reef.
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Exploring a Reef

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a fish swimming in blue water
Video

Visit the Line Islands with Reef Ecologist Dr. Stuart Sandin

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Screenshot from video "Connecting Coral Reefs" showing illustrations of an underwater coral community.
Video

Connecting Coral Reefs

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This photograph of Gerardia sp. was taken at the Cross Seamount in the Pacific Ocean at a depth of 400 m (1,312 feet).
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Gold Coral Close-up

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A piece of the Hyperbolic Crochet Coral Reef exhibit.
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A Rainbow of Crocheted Corals

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Bright bubblegum coral sits on a brown, hard substrate.
Article

Optimism in the Deep Sea - Connecting Corals, Museums, and Ocean Managers

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A sea lion in the Sea of Cortez observes Auster as he observes reef fishes.
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Auster Diving with Sea Lion

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