More Crustaceans

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?...
“It is strange to think of a sea turtle as an ecosystem,” says Amanda Feuerstein, program coordinator and research assistant at the Smithsonian’s National Museum of Natural History, “but they are…...
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...
Necora puber , also known as the velvet swimming crab, may not be as soft as the name implies. The crab's red eyes and aggressive nature have resulted in a second nickname, devil's crab . As if it...
In the spring of 2011, a research crew from Oceana spent two months in the brackish Baltic Sea . The Baltic faces challenges from pollution, algae blooms, over fishing, and invasive species. Oceana...
The Galápagos Islands site in Ecuador was inscribed on the World Heritage List in 1978. Located in the equatorial Pacific Ocean nearly 1000 km from South America, the Galapagos Islands and the...
This species of amphipod , Eusirus holmii , was found both at the surface of Arctic waters and as deep as 2000 meters (6562 feet). Researchers have found that while the amphipod inhabits the sea ice...
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...
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...
The open ocean is surprisingly barren to the naked eye. Every now and again you will encounter a school of fish and their attendant predators, but most of the life that you find is gathered around...
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...
“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...
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...
The blue crab ( Callinectes sapidus ) is one of the most important commercial species in the United States, especially in the Chesapeake Bay region on the Mid-Atlantic coast. Its populations are...
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 "...
When they get larger, Portunus sayi are formidable predators, quick to consume any smaller animal that comes within reach. Fish, other crustaceans, and even smaller members of their own species are...
Another common species of sargassum shrimp, Leander tenuicornis (Palaemonidae), can be spotted by its long transparent claws or "chelae". Very similar shrimp are found in near shore habitats all...
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