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This is the most common songbird in the mangroves of the Caribbean’s Mangal Cay.
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Mangrove Yellow Warbler

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Photograph of many tiny transparent larval squid surrounding the head of a dissecting pin.
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Squid Babies

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Overfishing and sedimentation have heavily impacted this reef off the coast of Guam.
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Coral Reef in Distress

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Marc Frischer from the Skidaway Institute of Oceanography studies bacteria at a Smithsonian field station.
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Investigating Bacteria

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A coral reef covered by silt and sand in the Western Pacific Ocean.
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Coral Reef Covered by Silt and Sand

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The sun sets over the Smithsonian’s marine field station at Carrie Bow Cay, Belize. For more than three decades, it has been home to the Smithsonian’s Caribbean Coral Reef Ecosystem Program.
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Sunset at Carrie Bow Cay

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A scuba diver explores elkhorn corals growing on a tropical reef.
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Exploring a Reef

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This is one of about 200 species of moray eels that live in tropical and subtropical coral reefs.
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Guineafowl Moray

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On Moorea, an island in French Polynesia, researchers are striving to complete a biocode—a DNA catalog of every life form big enough to pick up with tweezers.
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The Island of Moorea

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A brown sea hare sits in shallow ocean water.
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Sea Hare in the Intertidal Zone

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Seagrasses don't just provide shelter for free-swimming animals, but also are a habitat for non-moving organisms, such as these sea anemones.
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Anemone on Seagrass Blade

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A white crab hides among coral polyps of the same color.
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White Xenia Crab from Indonesia

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