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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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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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The mauve stinger is a glowing jellyfish.
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Glowing Mauve

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The Japanese spider crab may be big but it is not invincible.
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Japanese Spider Crab

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Blue Dragon nudibranchs are very common to the southeast coast of Australia and have a few color variations. Juveniles are white with blue rhinophores, and adults vary from dark purple to lavender to golden brown.
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Serpent Pteraeolidia

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Colorful crustaceans from the Caribbean island of Guadeloupe.
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Colorful Caribbean Crustaceans

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A Pontoh pygmy seahorse
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How Many Seahorse Species?

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Spiral-tufted bryozoan
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A Bryozoan's Medical Endosymbiont

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“The largest land migration of any animal on Earth, as many as 120 million crabs carpet the island in red as they move from the rain forest to the coast.” -- Nature's Best photographer, Stephen Belcher.Equipment Used to Capture the Shot: Canon EOS-1D
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Red Crab Migration, Christmas Island, Indian Ocean

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Salps are tube-shaped, soft, transparent animals that swim through the ocean, straining out plant food as they go.
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Antarctic Salps

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Many medicines were based on a chemical from the sea sponge Tectitethya crypta.
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From Sea Sponge to HIV Medicine

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Aegina, a type of jellyfish, swims through the water.
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A Look at Life in the Deep Sea

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