More Corals

The robotic arm of the Jason, a Remotely Operated Vehicle (ROV), collects several stalks of black coral from the seafloor. Read more about how underwater vehicles help ocean scientists study deep-sea...
Much of the carbon dioxide we emit into the atmosphere ends up in the ocean. As CO 2 levels rise, seawater becomes more acidic. This change in chemistry poses a serious threat to marine organisms...
Ocean acidification is sometimes called “climate change’s equally evil twin,” and for good reason: it's a significant and harmful consequence of excess carbon dioxide in the atmosphere that we don't...
A robotic arm on the Johnson-Sea-Link submersible retrieves Galatheid crabs for research. Growing in the background is a species of the deep-sea coral Lophelia. Explore more in the multimedia feature...
The Hawaii Undersea Research Laboratory’s Pisces V submersible is lowered for a dive to study deep-sea corals. Learn more about research into deep-sea corals in the multimedia feature " Coral Gardens...
Unlike the shallow tropical coral reef pictured on the top, the deep-sea Oculina reef at bottom does not require sunlight. Learn more in the article " Coral Gardens of the Deep Sea ."
These deep-sea corals at the Madison-Swanson Marine Reserve in the Gulf of Mexico are protected, along with the marine life they harbor. Learn more about deep-sea corals and marine protected areas in...
Red coral necklaces fill a store display window. The United States annually imports around one million live coral animals from tropical reefs for use in aquariums, and is the largest documented...
Sample the surprising diversity of deep-sea corals. See some of the ways they differ in color, shape, and size. Explore more in the multimedia feature " Coral Gardens of the Deep Sea ."
Flower-like zoanthids, relatives of coral, carpet a hydrothermal vent. This species of zoanthid is the first ever discovered at a hydrothermal vent. See more pictures of incredible deep sea diversity...
In the wet lab aboard the R/V Seward Johnson , Dr. Martha Nizinski examines a sample of the deep-sea coral Lophelia pertusa , collected 600-m (1,969-ft) deep off the coast of the southeastern United...
Dr. Stephen Cairns is a research zoologist and chair of the Department of Invertebrate Zoology at the Smithsonian’s National Museum of Natural History. His research focuses on the diversity,...
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