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Great Barracuda, Witu Islands, Papua New Guinea
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Great Barracuda, Witu Islands, Papua New Guinea

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Students and Robotic Glider
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Students and the Scarlet Knight

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White muscle surrounds the dark brown beak of a giant squid.
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Giant Squid Beak

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Mangrove roots create a strong but permeable barrier to waves and currents in Belize.
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Mangrove Roots in Belize

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Flattened against a leaf, a tree frog blends right in with the mangroves.
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Tree Frog

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A light brown gecko with medium brown markings, standing on a dead and weathered tree trunk.
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Island Leaf-Toed Gecko

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Arching mangrove roots help keep trunks upright in soft sediments at water’s edge.
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Mangrove Support System

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Mangrove roots provide support for filter-feeders like mussels, oysters, and barnacles.
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Mangrove Roots Flush with Life

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Brown pelicans (Pelecanus occidentalis) nest in a mangrove in Ecuador’s Galapagos Islands.
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Pelican Nest in Mangroves

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Coral reefs provide food for swarms of fish, both large and small.
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Coral Reef in the Florida Keys

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Dr. Nancy Knowlton leads the Smithsonian’s effort to educate the public about the ocean.
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Dr. Nancy Knowlton

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Researcher Aimee Ellison tests samples for DNA barcoding at the Gump Field Station on Moorea.
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Testing DNA samples

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