Furry-clawed Asian crabs found in Delaware and Chesapeake Bays
..., are more widespread than initially thought. Four crabs have now been caught in Delaware Bay during the la...S. east coast. In total, seven adult male mitten crabs have been documented from the two bays since 2005. Prior to this, the potentially invasive species h...Scientists report new take on sexual signaling
...revealing great expanses of Pacific beach, fiddler crabs (Uca terpsichores) segue in and out of their burrows, dodging predatory shorebirds. Male crabs build hood-like sand castles next to the entrance of their burrows, attracting the attention of fema...National Academy of Sciences elects 2 Brandeis University scientists to membership
...ifically, she uses neural circuits in lobsters and crabs that generate rhythmic movements to understand how neuromodulators influence circuit behavior, and most recently to understand the limits of variability across individual animals. Miller has spent his research career studying the molecular under...Smithsonian scientists discover new marine species in eastern Pacific
...s of sand to 6-foot-long specimens that eat entire crabs and sea hares. During the expedition, Norenburg ... determine the relationships among all families of crabs and shrimps. Even soft corals, a relatively well-studied group, yielded 15 new species over 3 years...Newly discovered West Coast arrhythmias cause
...ystems. "We are investigating the idea that dead crabs and sea stars at the bottom of the ocean are correlated with changes in coastal winds, which are in turn driven by changes in temperatures on land," says Lubchenco. Around the globe, areas of coastal upwelling which include the waters off the west...In many habitats, competition is the drama, but benefactors set the stage
...nteractions that occur within the habitat, such as crabs eating snails or annual plants competing with one another, are just players and roles that we see because of that stage." Previously, the tendency was to focus on negative interactions such as predation and competition. That perspective overlooked th...Ocean temperature predicts spread of marine species
...ncluding cod, herring, American lobster, horseshoe crabs and clams, O'Connor and her colleagues developed a model that predicts how far larvae travel at a certain temperature. The predictions appear to hold for virtually all marine animals with a larval life cycle. "We can apply this rule to animals wit...Special ES&T issue examines effects of emerging contaminants on people, planet
...eans, which are a critical food source for shrimp, crabs and fish in coastal rivers and estuaries, according to Thomas Chandler, Ph.D., and colleagues at the University of South Carolina. Copepods exposed to these impurities, called fluorescent nanocarbon byproducts, took longer to reach maturity, had more...Microbes compete with animals for food by making it stink
...If microbes could produce chemicals that prevented crabs or fishes from using these resources, then those m...ause of texture, they fed stone crabs, lesser blue crabs and striped hermit crabs noodle-like test foods made from pureed forms of either the freshly thawed ...Tiny 'housekeeper' crabs help prevent coral death in South Pacific
(Santa Barbara, Calif.) Tiny crabs that live in South Pacific coral help to prevent t... provides a home and protection for the crabs. The crabs provide "housekeeping" duties for the coral, routinely "sweeping" out sediment that falls onto the c...Search for natural, safe and abundant chelator may be a 'shell game'
... in the exoskeletons of many invertebrates such as crabs and prawns. It's one of the most abundant, readily available and renewable natural biopolymers, second only to cellulose. Some chitosan materials can be chemically modified to enhance their affinity to particular radionuclides. By binding to radionuc...ACS Weekly PressPac -- September 6, 2006
...implant infections A chemical compound found in crabs and shrimp long known to have certain medicinal va...ratory studies, chitosan - a sugar in the cells of crabs and shrimp - repelled bacteria and yeast, effectively preventing these microbes from forming slimy, ...Ecological change, climate variation addressed at international conference, September 20-24
...tems and depended upon species traits. Symbiotic crabs maintain coral health by clearing sediments Cora...e importance of a coral association with trapeziid crabs in reducing the effects of sediments on corals at the Moorea Coral Reef LTER site.Removing the crabs...'Crabby' compound that skewers bacteria could prevent medical implant infections
...FRANCISCO, Sept. 10 - A chemical compound found in crabs and shrimp that has long been known to have certai...ratory studies, chitosan - a sugar in the cells of crabs and shrimp - repelled bacteria and yeast, effectively preventing these microbes from forming slimy, ...Mussels evolve quickly to defend against invasive crabs
...portant development in the arms race between these crabs and these mollusks." Crabs prey on blue mussels by...land, the scientists say, mussels are prey to many crabs as well as other marine species. "When Hemigrapsus came along the mussels' wheels were well-greased ...'Dead Zone' causing wave of death off Oregon coast
...eafloor off Oregon into a carpet of dead Dungeness crabs and rotting sea worms, a new survey shows. Virtual... to be concerned about, OSU experts say. Only live crabs and other fresh seafood are processed for sale. Researchers from OSU, PISCO and other state and fed...Marine 'dead zone' off Oregon is spreading
...ctuary indicate. There have been reports of dead crabs stretching from the central Oregon coast to the ce... in the central Washington coast reported all dead crabs in pots at depths of about 45-90 feet, north of the Moclips River. Large numbers of dead Dungeness c...Velvet worm brains reveal secret sisterhood with spiders
...uely their own: spiders, scorpions, centipedes and crabs could all be told apart by their brains. Onychophoran brains were initially a puzzle. But once he took a hard look he realized "there were structures in the onychophoran brain that looked like those in a spider brain." So he compared onychophoran b...New study finds multiple invasions increase green crab's Canadian range
...o track this invasion suggests that these northern crabs constitute a new invasion front, which may have arrived in the waters around the Strait of Canso through shipping from the North Sea. The new invasion has been surprisingly successful in the Gulf of Saint Lawrence. "These multiple invasions are happe......rtain hosts to complete their lifecycle. Snails to crabs to birds might be a typical sequence for one species, snails to fish to birds for another. These trematodes also stand apart from other parasites in that they cause negligible disease for their highest trophic level hosts, usually birds. The worms' l...