Tag: "fish" at biology news
'Dead zone' area shrinking, Texas A&M prof says
...ave moved further off shore. Hypoxia can result in fish
kills and can adversely affect many types of marine life where it is present. The dead zone area encompassed more than 6,000 square miles this year. "We found that the hypoxia had moved offshore from shallow waters to much deeper waters in the Gulf,...
DNA barcode finds four new bird species
...ly into airplane engines and testing for protected fish
species, for example, that sometimes make their way to market. It also works for identifying organisms at different stages of life, such as the eggs and larvae of insects. And it can easily distinguish between species that look alike. ...
Indiana University, EPA to study airborne PCBs
...o hundreds of U.S. Environmental Protection Agency fish
consumption advisories in 2003 may be the result o...month showing that elevated PCB levels have led to fish
consumption advisories for all five of the Great Lakes, and for many rivers and lakes in or near the...
New fossil sheds light on old mystery
...strike at prey, which usually consisted of elusive fish
and squid." Prey in water is slippery, and any mov...uld have less of a chance of being detected. "To a fish
in murky water, Dinocephalosaurus' head would have initially looked like another animal its own size...
A fishy change in diet
... to McGill University researchers, some freshwater fish
are opting out of their usual diet of insects and ...unk food. This change may have negative effects on fish
growth and may also affect other freshwater animals. Although this research is focused on the St. La...
A long-necked sea predator from China described in Science
...ked sea reptile with fangs that probably preyed on fish
and squid in a shallow sea in present-day southeas...tile may have been able to sneak up and lunge at a fish
or other aquatic prey in murky near-shore waters before the predator's full profile scared off the p...
Certain genes boost fish oils' protection against breast cancer
...ELES (Sept. 21, 2004) - Researchers who found that fish
oils appear to reduce breast cancer risk have now ...ticular genetic makeups. The protective effects of fish
oils, called marine n-3 or omega-3 fatty acids, are linked to the cancer-fighting properties of the ...
$2.7 million grant to support creation of virtual zebrafish atlas
HERSHEY, PA-An inch-long tropical fish
will enjoy improved global exposure thanks to a fi...rganism," Cheng said. "Strong similarities between fish
and mammalian development have led to the discovery of new insights that would have been difficult t...
Genetic modification of linseed produces healthier omega 3 and 6 fatty acids
...of the very long chain PUFA such as those found in fish
oils, has been linked to a decreased risk of heart...n PUFA in plants, because increased consumption of fish
oils is associated with other nutritional and environmental problems. First, it is recommen...
Tips from the Journals of the American Society for Microbiology
...cid may inhibit the growth of bacteria in meat and fish
say researchers from Massachusetts. Their finding...oregano and 25% cranberry) was applied to meat and fish
and refrigerated at 39 degrees Fahrenheit. Antimicrobial activity in meat and fish
increased as a r...
Human chromosome 5 final sequence analysis released to public
...markably consistent compared with those in mice or fish
rather than accumulating mutations over the course of evolution. "If you have such large human regions that stay conserved over vast evolutionary distances, it strongly supports the idea that they must contain something important," said Jeremy Schmu...
News tips from the Journal of Neuroscience
...ce A. Carlson and Masashi Kawasaki The African fish
Gymnarchus niloticus uses a weak, quasisinusoidal ...nal, it creates a serious "who's who" problem. The fish
deal with this by shifting the frequency of their EOD, the "jamming avoidance response."...
South Dakota Tech grad student finds rare whale
...ravel in pods of up to 10 and presumably eat small fish
and squid. Sowerbys are the most northerly distributed beaked whale, living in the North Atlantic, from Massachusetts to Labrador, eastward to Iceland, the British Isles and western Europe. This is only the thirteenth Sowerby's stranding documented ...
ConocoPhillips & Conservation International launch 'Biodiversity Action Plan' in Venezuela
...ainable fishing practices that are depleting local fish
and shrimp stocks. "The Gulf of Paria is located i...ies in the region. The AquaRAP team discovered 41 fish
species, eight crustacean species and 15 benthic invertebrates (microcrustaceans, mollusks, etc.) no...
Blue marlin in gulf have high mercury levels, A&M study shows
... Gulf of marlin and other species in our survey of fish
tissue mercury," Rooker says from his Galveston of... creatures, especially fish. Human consumption of fish
that contain mercury can pose severe health problems. The harmful effects of mercury on living organ...
Researchers discover why mutant gene causes colon cancer
...monstrated that when the APC gene was blocked, the fish
embryos lacked normal intestinal lining cells. Whe...chers often use the little black-and-white striped fish
as models to study various aspects of human development. "Implications of this study are far re...
Viral suspect for amphibian decline traced to human spread through bait
...ing virus is even closer to a virus found in sport fish
(including rainbow trout), which in turn the researchers suspect resulted when the virus jumped from frogs to fish. The salamander virus however, is distinct from either of these and may be a recent development because of its lack of genetic diversit...
News tips from the Journal of Neuroscience
...re within a permissive peripheral nerve graft. The fish
homolog L1.1 is upregulated after spinal transection, and is thought to aid in their robust axon regeneration and functional recovery. Without L1.1, brainstem neurons did not regenerate spinal axons or form functional synapses, and normal constant sw...
In a world of distortion, archer fish learn to judge absolute size of aerial prey
...In a new study, researchers have shown that archer fish
can learn to cope with these strongly viewpoint-dependent distortions, and this ability enables the fish
to precisely judge from any underwater viewpoint the absolute size of their aerial prey. The work is...
DHA-rich diet protects brain from Alzheimer's damage, UCLA study shows
... in its purified form, fish-oil capsules, high-fat fish
or DHA-supplemented eggs." Cole and his colleagues...hat the mice lived on a nutritious diet of soy and fish
two ingredients chock-full of omega-3 fatty acids," said Sally Frautschy, Ph.D., co-author and an a...
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