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The ultra-black Pacific blackdragon forms a circular shape with its body.
Article

Scientists Find First Ultra-Black Color in Deep-Sea Fishes

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A photo of a squid using bioluminescence to hide in the deep sea.
Overview

Bioluminescence

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Photograph of the underside of a gelatinous octopus with a bright yellow bioluminescent ring around her mouth.
Slideshow

Bioluminescent Animals Photo Gallery

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This new species of lobster (Dinochelus ausubeli) is blind and has bizarre claws. It was discovered about 300 meters (984 feet) deep in the Philippine Sea by a Census of Marine Life expedition.
Slideshow

Deep Ocean Diversity Slideshow

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Photograph of the underside of a gelatinous octopus with a bright yellow bioluminescent ring around her mouth.
Photo

Bioluminescent Octopod

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Two nurse sharks hover over a baited cage
Lesson Plan

Now You See Me, Now You Don’t

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This jewel squid (Histioteuthis bonnellii) lives above the Mid-Atlantic Ridge.
Photo

Jewel Squid

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Photograph of a transparent polka-dotted squid in the dark ocean.
Photo

Cockatoo Squid

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This aptly named fish has two long fangs.
Photo

Fangtooth Fish

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