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The sea star Odontaster validus and sea urchin Sterechinus neumayeri are often found living in association with one another along the Antarctic coastline, here during the Census of Marine Life.
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Sea Stars, Urchins, and Relatives

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Two nurse sharks hover over a baited cage
Lesson Plan

Fishing for the Future

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Two nurse sharks hover over a baited cage
Lesson Plan

Benthic Communities of the Arctic Ocean

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These Smithsonian field stations enable scientists worldwide to conduct long-term studies on mangrove ecosystems.
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Smithsonian Research Stations

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Two nurse sharks hover over a baited cage
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Game of Life

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The Sundarbans site in Bangladesh, which was inscribed on the World Heritage List in 1997, includes one of the largest remaining areas of mangroves in the world and supports a rich animal community.
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Sundarbans, Bangladesh

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A clear tomoptorid with many leg-like parapodia photographed on a black background.
Article

Tech Imitates Life: Sneaky Sea Worm Inspires Soft Robots

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The canoe traveled more than 4,828 kilometers (3,000 miles) to reach Washington, D.C.
Photo

Raven Spirit’s Journey

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Two nurse sharks hover over a baited cage
Lesson Plan

Oyster Disease

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Two nurse sharks hover over a baited cage
Lesson Plan

Benthic Drug Store

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Two nurse sharks hover over a baited cage
Lesson Plan

Ocean Primary Production

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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.
Overview

Deep-sea Corals

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