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A close-up photo of dead man's fingers (Alcyonium digitatum), living in the Baltic Sea.
Photo

Dead Man’s Fingers

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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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dead coral from disease
Article

Sickness in the Sea: A Coral Plague Hits Florida

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

A Plague of Sea Stars

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Dr. Brendan Roark discusses different methods of sampling deep-sea corals with undergraduate students at Texas A&M University.
Article

Coral Scientist Brendan Roark: On an Urgent Mission

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A couple inches wide and up to ten feet long, the bobbit worm stays hidden under tropical sands with just its five antennae poking out—waiting for prey to swim by.
Photo

The Bobbit Worm

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A coral has just spawned. Each of the hundreds of polyps releases a small pink bundle of sperm and eggs.
Article

A Tale of Sex and Stress in the Ocean

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Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
Slideshow

Zooxanthellae and Coral Bleaching

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: A thicket of Lophelia pertusa, a widespread deep sea coral, shelters a squat lobster.
Photo

Coral Thicket with Lobster

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Flower-like clusters of pink polyps make up this coral colony.
Photo

Coral Colony

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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
Overview

Corals and Coral Reefs

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Colorful fishes throng a reef in the Northwestern Hawaiian Islands.
Slideshow

Bizarre and Beautiful Coral Reef Animals

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