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

Biodiversity in the Baltic Sea

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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.
Overview

Scientists Catalog Life on the Island of Moorea

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a siphonophore
Video

Encounters with Bioluminescent Creatures

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

Bioluminescence

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Screenshot of "Sea Creatures from the Deep" video showing the teeth of an anglerfish.
Video

Sea Creatures from the Deep: A Video by National Geographic and the Census of Marine Life

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An albatross soars over the ocean.
Article

Is It Love? Why Some Ocean Animals (Sort Of) Mate For Life

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The Autonomous Reef Monitoring Structure was developed to help scientists study coral reef diversity and have now been adopted broadly to study diversity around the world.
Article

Uncovering Biodiversity… with ARMS and a Submarine Claw

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This shrimp is colored to fit in - probably why they are common members of the seaweed community.
Slideshow

A World Adrift: Life in the Sargassum Slideshow

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Two bright orange anemonefish poke their heads between anemone tentacles.
Photo

Clownfish in their Host Anemone

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Researchers adopted the “yabbie pump,” the long silver tool shown here, from Australian fishing gear.
Photo

Collecting Shallow-Water Specimens with the "Yabbie Pump"

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A polar bear and its cub in Arctic National Wildlife Refuge, Alaska.
Slideshow

Celebrating Marine Moms

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Overfishing is leading to an abundance of less desirable species like jellyfish.
Article

Peanut Butter and Jellyfish

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