More Corals

The impacts of derelict fishing gear on the Northwest Hawaiian Islands coral reef ecosystem are numerous. A primary effect of reef entanglement is structural damage to the coral substrate that...
Visitors to the Hyperbolic Crochet Coral Reef temporary exhibit at Smithsonian’s National Museum of Natural History saw both the main installation created by to the Institute For Figuring and the...
Corals are not only found in shallow tropical waters, but in cold, dark, deep areas of the sea. Amazing coral forests are found at depths of 60-3,050 meters (200-10,00 feet). They support an...
This bearded fireworm ( Hermodice carunculata ) must have a strong stomach -- it’s sucking on fire coral ( Millepora sp. ), which would give the unlucky snorkeler a nasty sting. Encountered in St...
Dr. Brendan Roark discusses different methods of sampling deep-sea corals with undergraduate students Sam Kuykendall, left, and Beth Stockert, center, in the Stable Isotope Geosciences Facility at...
Ocean scientists discovered this 1.5-m (5-ft) tall yellow bamboo coral in 2007 off the coast of Hawaii in 1,459 m (4,787 ft) of water. It is thought to represent a new genus. Learn about more deep-...
A coral hermit crab, Paguritta harmsi , about the size of two grains of rice, living in coral in the waters of Japan's Ogasawara Islands.
How does a coral spend its day? Most of us would say: not doing much. To the human eye, a coral looks relatively still, waiting in the current and hoping some food will run into its tentacles. But...
Portrait of a yellow-green blennie ( family Clinidae ) hiding in the groove of a green brain coral.
Local crafters who contributed to the Smithsonian Community Reef proved that there is no limit to the colorful reef forms that can be created using hyperbolic crochet techniques. Their wildly...
What happens to deep-sea coral samples after they are collected? In this image gallery, see some of the ways ocean scientists sort, measure, photograph, and study them. Learn more in the multimedia...
The pearly razorfish’s name may be slightly misleading since it is neither as rare as a pearl nor as dangerous as a razor. It is a common fish that tends to live in clear shallow areas near seagrass...
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...
Local yarn and craft shops were highly involved in creating the Smithsonian Community Reef —the local community’s accompaniment to the Hyperbolic Crochet Coral Reef exhibit. The HCCR, created by...
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...
This close-up photograph of gold coral ( Gerardia sp. ) was taken at the Cross Seamount in the Pacific Ocean at a depth of 400 m (1,312 ft). Gold corals at this location can have lifespans of 2,000...
The People's Reef, a part of the Hyperbolic Crochet Coral Reef , from above. The HCCR was created by Margaret and Christine Wertheim of the Institute For Figuring and is on exhibit at Smithsonian's...
Rockfish, anemones, and other invertebrates inhabit this deep-sea coral reef in Cordell Bank National Marine Sanctuary off the coast of California. Deep-sea corals provide habitat and benefits to a...
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