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On Moorea, an island in French Polynesia, researchers are striving to complete a biocode—a DNA catalog of every life form big enough to pick up with tweezers.
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Scientists Catalog Life on the Island of Moorea

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

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A shell placed in seawater with increased acidity slowly dissolves over 45 days.
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Ocean Acidification

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

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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.
Slideshow

Diversity of Deep-Sea Corals

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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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A photo of Oceana's ice class research vessel, the Hanse Explorer, on the Baltic Sea.
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Biodiversity in the Baltic Sea

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This species of bamboo coral, discovered in 2004 in the Pacific Northwest, has unusually long and impressive tentacles.
Slideshow

Newly Discovered Deep-Sea Corals

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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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Colorful fishes throng a reef in the Northwestern Hawaiian Islands.
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Bizarre and Beautiful Coral Reef Animals

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This aptly named fish has two long fangs.
Slideshow

Creepy Critters: Marine Life Surfaces for Halloween

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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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