More Corals

Inside the control van for the remotely operated vehicle (ROV) Jason , Dr. Brendan Roark and colleagues watch the ROV collecting deep-sea coral specimens. No scientists dive down with their ROV, so...
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...
Shallow water coral reefs straddle the equator worldwide. The shallow coral reefs found in U.S. territorial waters are highlighted in purple in this map. More about coral reef ecosystems can be found...
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.
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...
Coral reefs are the most diverse of all marine ecosystems. They teem with life, with perhaps one quarter of all ocean species depending on reefs for food and shelter. This is a remarkable statistic...
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 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...
Reef sharks rarely get any love. These sharks, comprising several species, loiter around coral reefs, snacking on small fish, squids and crustaceans. And while their size is nothing to smirk at—5-10...
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-...
When he was 10 years old, Stephen Cairns lived in Cuba where he kept a collection of butterflies and sea shells. When his family moved to Louisiana, he could bring only one of the collections with...
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...
Large numbers of grey reef sharks ( Carcharhinus amblyrhynchos ) were observed at Jarvis Island, an uninhabited Pacific island, during the 2010 Pacific RAMP expedition of the NOAA Ship Hi'ialakai ...
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