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Two nurse sharks hover over a baited cage
Lesson Plan

Treasures in Jeopardy

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Colorful corals and brittlestars on Manning Seamount off the New England coast.
Photo

Manning Seamount Deep Coral Communities

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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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corals of many colors in the deep sea
Article

Deep Gulf Restoration After a Monumental Oil Spill

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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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Rockfish, anemones and other invertebrates inhabit this deep-sea coral reef in Cordell Bank National Marine Sanctuary.
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Deep-Sea Coral Habitat

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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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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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Two nurse sharks hover over a baited cage
Lesson Plan

A Tale of Deep Corals

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Dr. Stephen Cairns, a Smithsonian research zoologist, studies deep-water corals.
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Dr. Stephen Cairns

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A submersible’s robotic arm collects gold coral in the Hawaiian Islands. Similar specimens have been dated at more than 2,700 years old.
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Collecting Gold Coral from the Deep Sea

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