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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...
Last September, the Citizens of the Sea blog series brought you a story of doom and gloom from the reefs of Bocas del Toro, Panama. That is the time of year we typically study -- and celebrate -- the...
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...
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...
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...
This specimen of the deep-sea coral Desmophyllum dianthus shows the visible bands that help marine scientists learn how ocean conditions changed over time. By looking at the thickness of each band,...
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...
When you are shopping for gifts and jewelry, steer clear of gifts that use real coral or other marine animal products. Deepwater pink and red corals in particular have been prized for their beauty in...
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...
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. Explore more in...
While bottom trawling—a fishing method that drags a large net with heavy weights across the seafloor—fishermen often catch more than their target fish. Here, they've scooped up a large deep-sea coral...
It is easy to feel hopeless when reading the news coverage of ocean conservation. Between climate change , acidification , pollution and overfishing, it often feels like the ocean and its...
The robotic arm of a Pisces submersible collects a gold coral colony ( Gerardia sp.) during a research cruise in the Hawaiian Islands. Ocean scientists have radiocarbon-dated some Gerardia specimens...
Detail of the Smithsonian Community Reef, a local, community-created "satellite" to the Institute For Figuring's Hyperbolic Crochet Coral Reef exhibit.
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...
Good real estate is hard to find. This is as true underwater as it is on land. So when Smithsonian scientist Dr. Matthieu Leray built 18 potential homes for undersea creatures living on oyster reefs...
Compare the healthy coral on the left with the bleached coral on the right. Increased water temperatures caused the bleached coral to lose the microscopic algae that give the coral color and provide...
Shown here are several deep-sea coral species: From left to right is an unidentified purple octocoral, a small gold acanthorgorgiid octocoral, and a large colony of pink Corallium secundum . Basket...
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