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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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An unidentified earplug from the National Museum of Natural History collection.
Article

Ocean Objects of Wonder

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Unlike the shallow tropical coral reef at left, the deep-sea Oculina reef at right does not require sunlight.
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Shallow and Deep-Sea Coral Reefs

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A zoomed-in image of the crown-of-thorns sea star.
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Acanthaster planci

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Red coral necklaces in a display window. Harvesting deep-sea coral to produce jewelry like this threatens these ecosystems.
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Coral for Sale

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Scientist Martha Nizinski examines a sample of the deep-sea coral Lophelia pertusa, collected 600-m (1,969-ft) deep off the coast of the southeastern United States.
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Deep-Sea Coral Sample

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Orangutan crabs are covered in thin reddish hairs, and are frequently found living in bubble coral.
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Orangutan Crabs from Komodo Island

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It's a pygmy seahorse (Hippocampus bargibanti), found in Indonesia's biodiverse Coral Triangle and one of the smallest seahorse species in the world! They can change colors like a chameleon to blend into their environment. This helps to protect them from p
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Can You Spot the Seahorse?

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a man snorkels above a reef while a woman in flippers sits on a boat
Timeline

Sunscreen in the Environment

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The coral reefs of Ujung Kulon National Park in Indonesia, a World Heritage site, are dominated by a small number of coral species and support some of the richest fish fauna in the Indonesian archipelago.
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Ujung Kulon National Park, Indonesia

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Two nurse sharks hover over a baited cage
Lesson Plan

Focus on Farmer Fish

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Colorful corals are disappearing in the Great Barrier Reef.
Article

The Great Barrier Reef – Going, Going, Gone???

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