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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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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.
Overview

Deep-sea Corals

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J. Murray Roberts studies and maps the cold-water corals known as Lophelia in the North Atlantic.
Article

Exploring the Blue Planet with J. Murray Roberts

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Two nurse sharks hover over a baited cage
Lesson Plan

Exploring Explorations

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Tiny "flakes" of marine snow.
Article

Marine Snow: A Staple of the Deep

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rocks covered in a slimy microbes
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Microbial Mat

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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.
Article

Black Corals of the Deep

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

Brittle Star Coral Mutualism

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A deep sea anglerfish called a dreamer
Photo

Deep Sea Dreamers

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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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After ocean scientists sort deep-sea coral samples into their different types, they measure and photograph the specimens.
Photo

Photographing Coral Samples

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Positioned in front of a natural oil seep, this video camera is capturing images of the black oil bubbling up from beneath the sea floor. A light mounted to the frame helps see what is happening in the dark on the sea floor.
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Bubble of Oil On The Seafloor

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