Tag: "crab" at biology news
Health of world's sea lions the focus of Wakefield Symposium
...who is credited with modernizing Alaska's red king crab
fishing industry. Changes in the abundance of sea lions is a growing concern to fisheries and conservation groups, either because fisheries are feared to threaten sea lions, or because sea lions are feared to threaten fisheries. The issues are commo...
Cockroach-like robot leads new research effort
...ted to other robots too: Ariel, which walks like a crab
and was designed to operate in the surf zone and right itself if upended; Mecho-Gecko, which climbs up walls; and the Stanford-built Sprawlita, which bounces five body lengths at a time thanks to six piston-driven legs. But, he admits, a biolo...
New hypoxic event found off Oregon coast
...arine life is unknown at this point. Some fish and crab
kills have already been documented on beach and intertidal areas, but other dead animals may also be washed out to the deep sea. Last week, hundreds of dead Dungeness crabs and molts were found in tidepools south of Yachats. Area residents have also ...
Gulf of Maine marine ecosystem may have entered new phase
...tal waters. Today, cod have given way to the Jonah crab
with potential long-term consequences for coastal fisheries, according to a University of Maine research report published in the journal Ecosystems. With crabs and lobsters at the top of the proverbial heap, the Gulf may have entered a new stabl...
Ecosystem bounces back from hurricanes
...ded the movement of post-larval stages of the blue crab
from seawater inlets to their nursery habitats along the western shore of Pamlico Sound. Eggleston says, though, that his new stock assessments of the blue crabs will shed further light on its status in Pamlico Sound. "The overall story we see is of ...
University of Delaware lays keel for new research vessel
...ural forces affect the population size of the blue crab
fishery." During the crab's early life stages, it travels the sea at the mercy of the currents, tides, and winds. In other research, UD scientists are using the ship to examine the water quality of the Delaware Bay, to research how sediments are tran...
First view of giant crabs - at home on the slope
...system that support Australia's largest commercial crab
- the "giant crab". A series of five surveys are p...s depth to assess the seabed habitats of the giant crab
(Pseudocarcinus gigas) at the edge of the continental shelf around Tasmania. The pilot survey was c...
Congress allocates funding for horseshoe crab research center
...Va. Congress has allocated $630,000 for horseshoe crab
research funding to Virginia Tech's Horseshoe Crab...h. Virginia Tech's HCRC is the largest horseshoe crab
research institution in the country. "Congress has requested that new research be conducted to impr...
Live seafood trade linked to species invasions
...nomically costly. For instance, the European green crab
costs an estimated $44 million per year in mitigation expenses and fisheries losses in northeast Pacific waters. Chapman and his colleagues focused on trade in clams, mussels and oysters. These bivalves can survive out water for more than two weeks w...
Fat chance for hosts
...ae encyst up to 100 percent of the local snail and crab
second intermediate hosts, an especially astonishing feat since this larval stage has but four hours to locate and infect its host. The researchers examined the range of variation and effect on larval swimming of relevant physical factors (light, tem...
...s: "Historical changes in native clam traits after crab
invasion," will be part of Oral Session #25: Invas... overall shell mass, all increased after the green crab
arrived. According to Whitlow, the results suggest that the clams may have burrowed deeper to evade...
Safe is sexy
... called a hood which courting males of the fiddler crab
Uca musica build at the entrances to their burrows on sand flats in Panama. Males have one very large claw that they wave to attract females to their burrows and females visit several males before choosing a mate by staying with a male in his burrow....
Cold-climate creatures may be the ultimate survivors of global warming, study finds
...'s experiment focused on four species of porcelain crab
two from the chilly coast off Cape Arago, Ore., a... wild," Stillman explained. Once acclimated, each crab
was fitted with electrodes to allow monitoring of cardiac activity. The animal then was placed in an...
PNNL findings may help preserve Dungeness crab
...ty levels in the Columbia River estuary may affect crab
abundance in the river, a finding that may help protect Dungeness crab
in the Columbia. The study, sponsored by the Portland, Ore., District of the U.S. Army Corps of Engi...
Dinosaur, crab fossils reveal ecosystem secrets
...St. Louis, have found a well-preserved fossil of a crab
within inches of a tail vertebra from a massive pl...Egypt's Bahariya Oasis, is the first instance of a crab
fossil found with a dinosaur fossil. It reveals much about both species and the kind of ecosystem w...
Allergen-free shrimp? seafood marks a place in food safety research
...rimp cocktail, lobster on the half shell, and king crab
sounds like a seafood dream come true, but for people with shellfish-food allergies, it can be a nightmare instead. Now, new genetic studies show promise for putting allergen-free shrimp on our dinner plates someday, scientists said today at the 200...
Theyre healthier: With fewer parasites, invaders gain competitive edge over native species
...n green crab, this escape from parasites means the crab
gains an unfair advantage over the competition. "Invasive species end up with about half the parasites, or diseases, they had at home," said Dr. Kevin Lafferty, a USGS marine ecologist at the Western Ecological Research Center in Santa Barbara, Calif...
Researchers find invasive species are healthy species They leave their parasites behind
...ve species can be devastating." The European green crab
(Carcinus maenas) is one voracious predator that h...fornia toward Puget Sound in Washington. The green crab
eats Dungeness crabs, rock crabs, mussels, oysters and clams. In northern New England, the advent of...
$3.2 million project to document dioxin levels in Houston ship channel
...ove through the environment, possibly ending up in crab
and fish that travel to fishing regions. "This asp...n health advisories warning people not to eat blue crab
and catfish caught in certain areas of Galveston Bay because of dioxin contamination, there has neve...
EMBO supports researchers from emerging economies
...ence analysis of opiod receptor genes of the short crab
Carinus maenas'. The EMBO World Programme fellowship scheme was launched this year. It builds on the tradition of EMBO fellowships providing training and mobility for scientists in the life sciences since 1966. However the World Programme fellowshi...
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