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Two clams, a mussel, an oyster, on a bed of algae
Article

Shellfish for Dinner: More than just Clams and Oysters

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Two octopuses sitting underwater highlight the different textures the animals can take on.
Overview

Octopuses and Squids

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A sea sponge underwater
Article

Sea Sponges: Pharmacies of the Sea

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

Celebrating Marine Moms

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A rendering of an underwater marine scene depicting life ~145-65 million years ago, when rudist clams were the major reef builders.
Article

Long Before Coral, Mollusks Built the Ocean's Reefs

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Colorful fishes throng a reef in the Northwestern Hawaiian Islands.
Slideshow

Bizarre and Beautiful Coral Reef Animals

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A translucent hyperiid on a black background with orange stripes along its head.
Article

Many Eyes, Many Perspectives: The Astonishing Visual Systems of Hyperiids

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Japanese scientists videotaped this female giant squid, alive, at the water's surface
Overview

Giant Squid

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A deep sea crab (Rochinia crassa) poses with sea fan (Callogorgia spp.) and coral (Lophelia pertusa) on large carbonate boulder.
Slideshow

Oil Invades Coral Communities of the Deep

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The ribbon worm seen here, Ramphogordius sanguineus, is known to regenerate after losing a part of its body.
Article

Ribbon Worm Redux

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

Corals and Coral Reefs

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