More Corals

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...
Page 1 NOAA Multimedia Discovery Missions Coral reefs are vibrant ecosystems teeming with color and life. Most grow in the warm sunlit waters of tropical seas. Beautiful and accessible, shallow water...
What is this bizarre, spiky-looking organism? Hint: it can be found in tropical areas of the Pacific and Indian ocean basins crawling slowly over coral reefs and devouring any living coral polyps...
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...
Stare at a tide pool and you will often see a crust of pink coating the bottom. No, this is not bubblegum from some careless teenager’s shoe: it’s a stony kind of seaweed that, like other seaweeds,...
What is coral bleaching? These white corals in the Gulf of Mexico’s Flower Garden Bank National Marine Sanctuary are bleached due to an increase in water temperatures, which causes corals to lose the...
Come along as scientist Dr. Brendan Roark narrates a submersible dive to collect and study deep-sea corals. Roark studies deep-sea corals to understand the history of the ocean and past ocean...
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...
J. Murray Roberts is a scientist who studies and maps an area of the cold-water coral called Lophelia in the North Atlantic, where the bases of some coral mounds are 2.6 million years old. Explore...
A piece of the Institute For Figuring’s Hyperbolic Crochet Coral Reef known as the Ladies Silurian Atoll. The HCCR exhibit was on display in the Sant Ocean Hall at the Smithsonian's National Museum...
Species of deep-sea gold coral, or Gerardia , often have a tree-like shape, as you can see in this specimen. See more pictures of coral in our Deep-sea Corals article.
Marine scientists photographed and measured this gorgonian coral (Chrysogorgia sp.) and deep-sea shrimp (Bathypalaemonella sp.) just as they were collected—together. Find out how ocean scientists...
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