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NOAA divers, like Kelly Gleason pictured here, are
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NOAA divers, like Kelly Gleason pictured here, are working hard to halt a reef predator's "stinging" effect on fragile coral reefs in American Samoa. Meet the invasive #crown-of-thorns #starfish: http://oceanservice.noaa.gov/news/may15/crown-of-thorns.html via NOAA's National Ocean Service.(Credit: Greg McFall/NOAA Dive Program). #sciencesavesreefs #science #sea #reef #reefpredator #coral #AmericanSamoa #diver #diving #scuba #NOAA #NationalOceanService @NOAAOcean/ National Oceanic and Atmospheric Administration)

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Awesome ocean Instagram scenes

The U.S. National Oceanic and Atmospheric Administration's collection of awesome ocean scenes on Instagram, a mobile app that can be used to alter the color and tone of photographs.