Lefties have the advantage in adversarial situations
...e conclusions we draw from the interaction between crabs and these snails is that in the adversarial mode, ...h predators of opposite handedness. Some predatory crabs are "righties" -- and have a specialized tooth on their right claw that acts like a can opener to cr...Horseshoe crab decline threatens shorebird species
...s resulting from the largest spawning of horseshoe crabs found on the East Coast of the United States. Res...e crab's popularity as bait used by fishermen, the crabs appear to be in serious decline. At the same time, there has been a great reduction in the total pop...Exotic crab poised for widespread UK invasion
... major UK estuaries in several years time. Mitten crabs are unwelcome because they prey on protected UK na...o late to control the population. Chinese mitten crabs are already present in some of our waterways, including the Thames, Humber and Tyne rivers and parts...Smithsonian guide to the biodiverse marine environment of Panama's Bocas del Toro
...ea squirts, black corals, soft corals, porcellanid crabs and peanut worms. In 2003 STRI inaugurated a new, award-winning, low-impact laboratory in Bocas (see links). In addition to providing a state-of-the-art seawater system that makes it possible to conduct experiments requiring living marine organism...Surprising killer of southeastern salt marshes: Common sea snails
...oint to better ways to protect them. "Loss of blue crabs and turtles, which prey on periwinkles, allows the snails to flourish," Bertness said. "Protect the crabs and turtles and you can help save the marshes." Silliman came up with the periwinkle premise as a gr...Brandeis biologist wins top award in neuroscience
...ough research into neural networks in lobsters and crabs and the application of computational methods to el... the stomatogastric ganglion (STG) of lobsters and crabs are ideal for research because relatively few neurons are involved, their circuit output is easy to ...Microfossils show promise in prospecting climate history
...ed the area because of rising sea levels. "Fiddler crabs mix the surface layers of sediment," he said. "If the sea level has been rising through time, we know that it is probable that our marshes have been getting muddier and muddier with more and more crabs. So if you think about it through time, the mixi......real head and body lice. Whale lice are related to crabs and shrimp, and cling to the whales' raised, callus-like patches of skin named callosities the grooves and pits between callosities, and also to skin in slits that cover mammary glands and genitals. The white whale lice covering the callosities cre...Prenatal exposure to marine toxin causes lasting damage
...pecies called Pseudo-nitzschia. When shellfish and crabs ingest the algae, the toxin can become concentrated in their bodies. Humans eating contaminated seafood develop symptoms including vomiting nausea, diarrhea and abdominal cramps. In severe cases, the toxin leads to neurological damage, characterized...Researchers find three major beetle groups coming up one testis short
...ed claw on one side that is used to attract female crabs and fend off male competitors. Still, the researchers said the complete absence of an organ, or absence asymmetry, is rare. When it does occur, there is likely a good reason for the organ loss. Snakes, for example, have one lung that is significantl...It came from the sea: 'Monster' crabs evolve a bug's nose
... kg and a length of more than half a meter. Robber crabs are perhaps most famous for their ability to climb...able to crack open with their massive claws. These crabs are fully adapted to a life on land and will actually drown if submerged in water. The robber crab's...Drilled shells show extinction's lasting effects
...another snail or being attackedthemselves by fish, crabs or other predators. High levels of competition should favor faster feeding, said GeeratVermeij, professor of geology at UC Davis and an author on the paper.The snails can get a quicker meal by drilling through the thinnestpart at the shell's edge --...Study in Royal Society journal on first evidence for magnetic field detection in sharks
... lake species, coupled with the occurence of large crabs with crusher claws, suggest a unique role for coevolution in this new model system for the study of adaptive radiation. In addition, highly diverse radulae (snail rasping organ) in the lakes indicates that the development of feeding specialization li...Eelgrass provides a refuge from predators for some fish species
...tween eelgrass cover and the abundance of fish and crabs on a larger scale. An article in the current issue of the journal Marine Ecology Progress Series describes experiments by URI Graduate School of Oceanography (GSO) biological oceanographers Lora Harris, Betty Buckley, Scott Nixon, and Ben Allen to i...UGA researchers explain recent decline in Georgia's blue crab population
...tcy. Lee and Frischer discovered that many of the crabs caught during the drought seemed to be suffering f... was determined to be Hermatodinium perezi. Though crabs infected with Hermatodinium were not unknown to the Georgia coast, Lee and Frischer set out to deter...