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Dec 27 2010 - 1:45pm
Home is where the hull is: Since the dawn of seafaring, humankind has had to deal with pesky creatures, such as barnacles, that “foul” ship hulls and boat propellers like this one. Find out more in "No Fouling Around" from the Citizens of the Sea blog series.
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Jan 26 2010 - 11:46am
A male mudflat fiddler crab (Uca rapax) waves its huge claw to impress females and threaten male competitors. More about mangrove swamps and forests can be found in our Mangroves featured story.
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Oct 27 2010 - 6:16pm
This giant isopod (a crustacean related to shrimps and crabs) was collected from the cold, deep waters of the Gulf of Mexico in 2006. Scientists believe that it is one of about nine species in the genus Bathynomus.
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Jan 26 2010 - 11:45am
The yeti crab (Kiwa hirsuta), an unusual, hairy crab with no eyes, was discovered in 2005 on a hydrothermal vent near Easter Island. It represents not only a new species but also a new genus—Kiwa, after the mythological Polynesian goddess of shellfish. Learn more about the Census of Marine Life and...
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Oct 10 2012 - 11:45am
Ghost crabs are often seen scuttling quickly along beaches at night, when they emerge from their burrows to feed, and can be difficult to photograph in the wild. They are common in Moorea, an island in the Pacific Ocean, where this specimen was collected. More about the Moorea can be found in the...
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Feb 7 2011 - 8:02pm
What can students do to help the ocean? It turns out, a lot! These students from California are among dozens from the U.S. and Mexico who are developing action plans on ocean and climate-related issues in their local communities. They’re getting advice from their teachers and experts at aquariums...
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Nov 19 2012 - 10:49am
Isopods (small, shrimp-like animals) like this one (Gnathia aureusmaculosa) are the mosquitoes of the sea, sucking the blood of fish while they sleep. Find out more in "No Fouling Around" from the Citizens of the Sea blog series.
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Nov 8 2011 - 3:48pm
In a 2011 study published in the Bulletin of the Peabody Museum of Natural History, researchers documented a number of different organisms living on olive ridley and green turtles in the Pacific. Of these "epibionts," crustaceans made up more than 40% of those observed. Some are depicted here:...
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Jul 14 2011 - 12:30pm
Last week, Smithsonian research zoologists Dr. Jerry Harasewych and Dr. Martha Nizinski were in Curaçao looking for deep-sea marine gastropods and decapod crustaceans, respectively.
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Nov 8 2011 - 5:39pm
These baby olive ridleys (Lepidochelys olivacea) will eventually provide a home to crustaceans, mollusks, and other epibionts. That's according to a survey of epibionts living on mature, nesting olive ridleys and green sea turtles in Jalisco, Mexico. The related study was published in the October...
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Jan 26 2010 - 11:45am
This close-up photo of a right whale's head shows dozens of hitchhikers—tiny crustaceans known as whale lice, or cyamid amphipods. They live on the rough patches of skin (known as callosities) on North Atlantic right whales, eating algae that settles there and only causing minor skin damage....
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Dec 19 2011 - 5:13pm
For nearly 35 years, National Geographic photojournalist Brian Skerry has been immersing himself in the big blue to get the perfect underwater photograph. He admits that there will never will be a "perfect" photo, but there are tricks to make a photo appealing. He sees himself as an artistic...
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Sep 11 2012 - 4:13pm
Over the last few days, a video of hermit crabs stampeding across the rocky shores of St. John in the U.S. Virgin Islands has taken the internet by storm. Where are the hermit crabs going, and why?
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May 30 2012 - 11:45am
Hermit crabs, like this one collected in Moorea, usually protect their soft, vulnerable abdomens from predators by reusing empty snail shells. They are picky home owners and they will trade shells with other crabs to get a better fit or a less damaged shell. This specimen shows the crab...
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Dec 8 2009 - 11:51am
For being so big, right whales eat very small food, which they catch using baleen. Baleen is the series of fringed plates hanging in right whales' mouths that are used to strain seawater for food. Until the early 1900's, right whales were heavily hunted primarily for their fatty blubber, which...
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Dec 8 2010 - 12:54pm
Scientists met the robotic glider Scarlet Knight about halfway along its journey of scientific exploration from the United States to Spain, discovering that barnacles were growing on the glider’s body, as this graphic illustrates. As algae began to grow on the glider’s exterior surface, small sea...
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Dec 23 2010 - 4:16pm
“The largest land migration of any animal on Earth, as many as 120 million crabs carpet the island in red as they move from the rain forest to the coast.” -- Nature's Best photographer, Stephen Belcher.
See more beautiful ocean photos in our slideshow of winners from the 2010 Nature's Best Ocean...
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May 11 2012 - 3:34pm
This snapping shrimp female (Synalpheus regalis) is the queen of her colony which means she is the only female to have babies. She stores her clutch of eggs under her abdomen until they hatch - some of the eggs have already developed eyes. Similar to other social animals like ants and bees, non-...
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Sep 29 2011 - 1:39pm
A blue shark swims through waters off the coast of New England in this image captured by National Geographic photojournalist Brian Skerry. A red-colored female copepod (Echthrogaleus coleoptratus) has hitched a ride on the shark's dorsal fin. The two long, red tails on the copepod are her...
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Jan 26 2010 - 11:45am
This brightly colored squat lobster collected in Moorea is a common find among the coral heads. Although called lobsters, this group of crustaceans is more closely related to hermit crabs than to true lobsters.
Learn about why this squat lobster was collected in our Scientists Catalogue Life on the...
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Jul 30 2012 - 10:31am
Male fiddler crabs, like this one collected on Moorea, wave their enlarged claw as way of signaling to other crabs, especially during mating season. Learn more about the Island of Moorea in the Pacific Ocean, including its biodiversity and the scientific effort to catalog all the life found on its...
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Nov 24 2009 - 5:29pm
Researchers in Moorea use a variety of tools to collect organisms. Some are simple, everyday items like buckets and brushes, and some are…a little stranger. Here, two researchers use a “yabbie pump” to slurp up tiny shrimp that live in gobies’ burrows.
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Sep 7 2012 - 4:35pm
Can you spot the amphipod (Phronima atlantica) in the below photo? She's the transparent lobster-looking animal in the middle, surrounded by her own eggs -- inside a sac that once was the "barrel" of a salp. Mothers in the genus Phromina attack the barrel-shaped salps, hollowing out the inside...
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Jun 7 2011 - 1:04pm
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 study deep-sea corals in our Deep-sea Corals article.
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