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Walrus swimming in the ice floes of the Bering Sea.
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Tsunami waves in Indian Ocean off the coast of Sri Landa, Dec. 26, 2004. Image taken by MISR instrument on Terra satellite.
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Sponges are as important as corals for reef structure.
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Oil spilled from off-shore oil well blowout in Gulf of Mexico near louisiana, 1992.
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Ocean topography as measured by the TOPEX/Poseidon satellite, Oct. 3-12, 1992. Colors show the different heights of the ocean surface.
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El Nino of 1997 and La Nina of 1999 conditions shown on colorized globes made from TOPEX/Poseidon satellite data. Colors show the different heights of the ocean surface.
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Humpback whale leaps clear out of water.
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Guinea-Bissau, West Africa. Color-enhanced LandSat image show patterns of silt washing from rivers into Atlantic Ocean.
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Cormorant
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Mother and juvenile dolphins.
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Scientists study coral reefs for many reasons.
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Cuckbill eel in sand channel between basalt flows at 780 meters depth.
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Multi-angle Imaging SpectroRadiometer (MISR) image of the Great Barrier Reef.
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Sponge that has symbiotic algae and has bleached like a coral.