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Smithsonian zoologist Dr. Steve Cairns named and described this deep-sea coral species, Stephanocyathus paliferus, now preserved at the National Museum of Natural History.
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Corals at the Smithsonian

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An unidentified moray eel held in researcher's hands.
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A Baby Moray Eel, or a Really Small Adult?

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Photograph of a bristly brown and white worm, with one end pressed against a pale green coral.
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Fireworm Takes on Fire Coral

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A couple inches wide and up to ten feet long, the bobbit worm stays hidden under tropical sands with just its five antennae poking out—waiting for prey to swim by.
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The Bobbit Worm

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It's a pygmy seahorse (Hippocampus bargibanti), found in Indonesia's biodiverse Coral Triangle and one of the smallest seahorse species in the world! They can change colors like a chameleon to blend into their environment. This helps to protect them from p
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Can You Spot the Seahorse?

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A "reef hotel" made of PVS layers on the seafloor.
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Worth the Investment: Ocean Real Estate Reveals Hidden Diversity

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The Belize Barrier Reef Reserve System consists of the largest barrier reef in the northern hemisphere, offshore atolls, and several hundred sand cays, mangrove forests, coastal lagoons, and estuaries. The system's seven sites illustrate the evolutionary h
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Charles Darwin's Ocean Upwelling

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Colorful fishes throng a reef in the Northwestern Hawaiian Islands.
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Bizarre and Beautiful Coral Reef Animals

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Two nurse sharks hover over a baited cage
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Caribbean Coral Reef and Climate Case Study

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A bluefin trevally swims in Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument.
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Two Views of Coral Reefs: Thriving and Threatened

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The Peninsula Valdes in Argentina was inscribed on the World Heritage List in 1999. The site is home to important breeding populations of the endangered southern right whale (Eubalaena australis), southern elephant seal (Mirounga leonina), and southern sea
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Marine World Heritage Photo Gallery

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stony corals among sea fans
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Ancient Reefs Reveal Glimpse at Future Oceans

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