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Jul 27 2011 - 9:14am
J.
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Aug 14 2012 - 10:12am
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.
But most reefs don't have so many sharks. Read about it in the blog post "Reef Sharks Repelled by People...
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Jun 7 2011 - 12:42pm
The pink strands of this single deep-sea coral harbor a variety of marine life. Sea whips are gorgonian corals and have flexible skeletons. See more pictures of coral in our Deep-sea Corals article.
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Jun 7 2011 - 11:07am
The robotic arm of a Pisces submersible collects a gold coral colony (Gerardia sp.) during a research cruise in the Hawaiian Islands.
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Apr 5 2011 - 4:18pm
Much of the carbon dioxide we emit into the atmosphere ends up in the ocean. As CO2 levels rise, seawater becomes more acidic. This change in chemistry poses a serious threat to marine organisms including snails, corals, such as in the above photo showing a single bleached polyp, and fish.
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Mar 20 2013 - 11:52am
Boring sponges get a bad rap. Their own name betrays them, announcing to the world that they are unexciting, ordinary and quite frankly, boring. However, if ever a misnomer existed, this is it.
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Jul 27 2011 - 11:15am
Inside the control van for the remotely operated vehicle Jason, Dr. Brendan Roark and colleagues watch the ROV collecting deep-sea coral specimens. This NOAA expedition took place in November 2010 in the Gulf of Mexico and off the coast of Florida. Learn more about deep-sea corals in the ...
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Jul 27 2011 - 11:33am
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 States.
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Jun 7 2011 - 12:57pm
This 200-year-old bamboo coral colony is growing on the Davidson Seamount off the coast of California. The skeleton of this deep-sea coral has bamboo-like segments. See more pictures of coral in our Deep-sea Corals article.
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Apr 20 2012 - 1:22pm
On April 20, 2010, an explosion on the oil-drilling rig Deepwater Horizon caused the largest marine oil spill in US history, gushing nearly 5 million barrels of crude oil over the course of three months.
In the two years since, researchers have been hard at work studying the impacts of the spill....
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Jan 26 2010 - 11:45am
A variety of organisms make their home on this tropical coral reef in Indonesia. More about coral reef ecosystems can be found in the Coral Reefs section.
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Aug 2 2012 - 2:15pm
Near the intense volcanic CO2 vents bubbling from the cracks in the seafloor, the water is so acidic that it dissolves coral skeletons.
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Jun 6 2011 - 12:11pm
A squat lobster and blackbelly rosefish find shelter on a Lophelia pertusa coral reef off the southeastern United States. The Johnson-Sea-Link submersible captured this image in 2009.
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Oct 14 2010 - 5:48pm
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 Margaret and Christine Wertheim of the Institute For Figuring, was on display in the Sant Ocean Hall from...
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Nov 2 2012 - 11:06am
Dead man’s fingers (Alcyonium digitatum) are soft corals named for their appendage-like appearance when thrown ashore by storms. The finger-like clumps of coral polyps come in various shades of pink, orange, white, grey, or yellow and are found along the northern Atlantic coasts of Europe and North...
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Aug 2 2012 - 4:37pm
Scientists don’t often get the opportunity to travel through time. But nestled among the beautiful coral reefs of Papua New Guinea (PNG) is a place that provides a glimpse today of what could be the biggest future threat to coral reef survival: Ocean Acidification.
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Aug 2 2012 - 3:11pm
Branching corals, because of their more fragile structure, struggle to live in acidified waters that surround the volcanic CO2 seeps of Papua New Guinea.
Read more about how reef scientist Laetitia Plaisance uses carbon dioxide seepsocean acidification and how it will affect biodiversity on coral...
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Jun 7 2011 - 10:16am
Lights attached to this modern deep-sea camera system enable scientists to capture detailed images of deep-sea coral reefs and their inhabitants in otherwise dark water.
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Jun 7 2011 - 11:36am
The Oculina deep-sea coral reef at top has not been disturbed by humans. Trawling has devastated the one at bottom. Only about 10 percent of Oculina habitat remains intact. Learn more about vulnerable deep-sea corals in the multimedia feature "Coral Gardens of the Deep Sea."
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Jan 2 2013 - 10:09am
This deep-sea black coral from Hawaii (Leiopathes sp.) is more than 4,200 years old.
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Jun 7 2011 - 10:26am
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 corals in the multimedia feature "Coral Gardens of the Deep Sea."
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Jul 27 2011 - 10:49am
The branches of a primnoid coral in the genus Calyptrophora provide a habitat for galathaoid crabs. Learn more about the deep-sea coral reefs in our Deep-sea Corals article.
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Jan 24 2013 - 10:32am
In this photo of a shallow coral reef in the Pacific there are three species of forams. On the left, Peneroplis planatus. In the center, Amphistegina lessonii. And on the right, Laevipeneroplis sp. Their colors come from the symbiotic algae that live inside the foram shells.
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Aug 2 2012 - 3:08pm
Close to the volcanic CO2 seeps the vast diversity of corals that exists in less-acidic waters is replaced by a "monoculture" of boulder corals that are less fragile and better suited to life in acidic water.
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