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Flower-like clusters of pink polyps make up this coral colony.
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Coral Colony

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Dr. Candy Feller is framed by the roots of a mangrove tree on Panama’s Pacific coast.
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Dr. Candy Feller with Mangrove Roots

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Anne Chamberlain and Marc Frischer stride through a mangrove pond at Twin Cays, Belize.
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Knee Deep in Mangrove Mud

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

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

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An Australian Giant Cuttlefish (Sepia apama) crosses a seagrass bed.
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Cuttlefish in Seagrass Bed

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Throughout their lifecycle, jellyfish take on two different body forms: medusa and polyps. Polyps can reproduce asexually by budding, while medusae spawn eggs and sperm to reproduce sexually.
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Jellyfish Lifecycle and Reproduction

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Seahorses are hitchhikers. They can travel long distances across the ocean—farther than they can swim—by attaching themselves to floating seaweed and debris.
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Hitchhiking Seahorses

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Coral Sand
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Coral Sand Under a Microscope

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Stephanocyathus (A.) spiniger, a solitary, deep-water stony coral species, has six long spines that slow it from sinking into soft substrates.
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Solitary Deep-water Corals

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This day octopus (Octopus cyanea) has shaped itself like seagrass or some coral so hide from predators or stalk prey.
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Camouflaged Octopus Blends In

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