More Crustaceans

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...
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...
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"...
Thalassinidean shrimp ( Thalassinidea ) build complex burrows deep in the mud. More about mangroves ecosystem can be found in our Mangroves featured story .
“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…...
Lanceola clausi , the bull-dog amphipod , another rare deep-water species captured below 1000 meters (3281 feet) with the multinet . View the “Under Arctic Ice” photo essay to learn more.
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...
The Smithsonian's Department of Invertebrate Zoology has a collection of over 57,000 specimens from over 5,700 sites in the Gulf of Mexico, which are now catalogued on Google Earth . Below is a tiny...
This shrimp farm in southern Belize is just one example of how mangroves worldwide are giving way to human development. In just the last decade, at least 35 percent of the world's mangroves have been...
Amanda Feuerstein with a nesting olive ridley ( Lepidochelys olivacea ). Feuerstein is a co-author of a study that surveyed algae, crustaceans, mollusks, and other epibionts that live on olive ridley...
These watercolor sketches of Trapezia crabs were drawn by Frederick Bayer, a former Smithsonian coral biologist, in 1947. Trapezia crabs live on and within corals, feeding on their tissue and mucus,...
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...
Scientist Martha Nizinski holds a squat lobster ( Eumunida picta ) collected at the Lophelia reefs off Cape Lookout, North Carolina. Squat lobsters are extremely abundant there and are usually found...
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...
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