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Chrysaora melanaster is a jellyfish found in the Arctic.
Overview

Jellyfish and Comb Jellies

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a siphonophore
Video

Encounters with Bioluminescent Creatures

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Very colorful array of jellyfish.
Video

Jellyfish predate dinosaurs. How have they survived so long?

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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 deep-sea jellyfish was caught on film by an ROV east of Izu-Oshina Island, Japan.
Photo

Atolla Jellyfish from the Waters of Japan

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A fringe of tentacles surrounds the bell of this jellyfish (Halicreas minimum).
Photo

Midwater Jellyfish

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The mauve stinger is a glowing jellyfish.
Photo

Glowing Mauve

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