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Giant Pacific Manta Ray, Roca Partida Sea Mount, Revillagigedos Islands, Mexico
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Giant Pacific Manta Ray, Revillagigedos Islands, Mexico

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Side view of a great white shark swimming in bright blue water.
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Great White in the Sunlight

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A dusky jawfish protects its eggs by holding them in his mouth.
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A Dusky Jawfish Protecting Its Brood

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Zooplankton are small—but do you know just how small? This drop of water smaller than the eye of a needle is magnified 20x and contains multitudes.
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Zooplankton in the Eye of a Needle

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Marsh Erosion Sped Up: One of the worst places for oil to end up after a spill is in marshes, where it can kill grass and cause erosion. But how much damage does it do, how far inland does it reach, and how long does the damage last? Pictured here is oiled
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Marsh Erosion After An Oil Spill

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This map shows where some of the most significant species of deep-sea corals are located.
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Deep-Sea Corals Worldwide

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This is the cover of the book Dampier wrote about his first trip around the world.
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Book Cover for Dampier's Account of his First Trip Around the World

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Burning fossil fuels, such as coal, oil and natural gas, spews almost 7 billion metric tons of carbon dioxide annually.
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Smokestack from coal plant

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This family tree shows how the ancestors of whales moved gradually from land to sea.
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The Whale Family Tree

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A few corals are part of this small sampling of the approximately 35 million specimens represented in the invertebrate zoology collection housed at the National Museum of Natural History.
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Specimens from the Smithsonian Invertebrate Zoology Collection

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Close-up photograph of a large red cuttlefish.
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Australian Giant Cuttlefish

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A spiraled diatom with spines.
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A Diatom Helix

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