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Sea lions generate thrust, or forward propulsion, by bringing their fore-flippers together in big sweeping motions called “claps.”  When a sea lion “claps,” it stretches its flippers out to the sides and sweeps them down. Then it tucks its flippe
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Aquatic Locomotion of a Sea Lion

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Ocean Portal summer 2011 intern Brandon Adkins poses next to the aquarium in the Smithsonian's Sant Ocean Hall.
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Exploring Ocean Jobs

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Mangroves are being decimated by human development, like this shrimp farm in Belize.
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Former Mangrove Forest

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A manatee swims in Crystal River, Florida.
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Florida Manatee in a Fresh Water Spring

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John Paxton, a scientist who studies marine life, looks into a microscope
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Sleuth at Sea

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Ruth Meadows examines specimens as part of her Teacher at Sea experience. NOAA Teacher at Sea Ruth Meadows sorts specimens aboard the NOAA Ship Henry B. Bigelow as part of the Mid-Atlantic Ridge Ecosystem (MAR-ECO) project.
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Teacher at Sea Ruth Meadows

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

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a loggerhead Sea Turtle
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Loggerhead Sea Turtle

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an illustration of pufferfish species and their relatives
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Pufferfishes and Their Relatives

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a graphic depicting the various species of tuna
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The Big Tunas

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a sea butterfly with leaf like wings
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If Leaves were Wings

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a barnacle sits at the base of a crab's abdomen
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Invading Barnacles

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