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Two nurse sharks hover over a baited cage
Lesson Plan

Treasures in Jeopardy

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A brittle star clings to the branches of a deep sea coral
Article

A Brittle Star May Be a Coral’s Best Friend

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A brittle star clings to the branches of a deep sea coral
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Brittle Star Coral Mutualism

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Screenshot from "Deep Reef Observation Project Video" showing two researchers looking out a window of a submersible.
Video

Deep Reef Observation Project (DROP) Video

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A sea lion in the Sea of Cortez observes Auster as he observes reef fishes.
Photo

Auster Diving with Sea Lion

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

Primnoid Coral

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Coral scientist Dr. Amy Baco-Taylor observed corals like these on her first submarine dive to a deep-sea coral bed off the coast of Hawaii.
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Deep-Sea Coral Community

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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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This species of bamboo coral, discovered in 2004 in the Pacific Northwest, has unusually long and impressive tentacles.
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New Bamboo 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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This bubblegum coral has a fanlike shape. It is growing 1,310 m (4,298 ft) deep on the Davidson Seamount.
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Bubblegum Coral

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: Black corals often resemble bushes or trees. Their living tissue can be one of several colors. It’s the skeleton that is black.
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Black Corals

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