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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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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.
Article

Martha Nizinski: Hooked on Deep-Sea Corals

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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 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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 Scientist Martha Nizinski holds a specimen of a fan sponge (Phakellia sp.) collected at a deep-sea coral study site off the coast of South Carolina.    
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Fan Sponge

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This black coral is more than 4,200 years old. Named for the color of their skeletons, black corals come in many colors.
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How old is black coral?

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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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This orange boring sponge (Cliona varians) overgrows several coral species at Panama's Smithsonian Tropical Studies Institute.
Article

Ocean Acidification Excites Boring Sponges

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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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Cancer cells treated with discodermolide, a chemical from a sponge found on deep-sea coral reefs.
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Treated Cancer Cells

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: A thicket of Lophelia pertusa, a widespread deep sea coral, shelters a squat lobster.
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Coral Thicket with Lobster

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Gerardia, or gold coral, species often have a tree-like shape, as evident in this specimen.
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Gold Coral

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