News tagged with native fish
Lionfish invasion continuing to expand
Their numbers continue to expand. They are spreading throughout the Caribbean Sea. Eradication appears almost impossible. Even limited amounts of control will be extremely difficult, and right now the best ...
Apr 19, 2010 |
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Supreme Court rejects emergency carp measures
(AP) -- The U.S. Supreme Court refused Monday to order emergency measures that might prevent Asian carp from reaching the Great Lakes, despite a warning that the exotic fish pose a "dire threat" to the region's ...
Feb 27, 2012 |
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US bans import of Burmese pythons
The United States announced Tuesday it is banning the import of Burmese pythons and three other species of giant constrictor snakes due to the danger they pose to local wildlife.
Jan 17, 2012 |
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Commonly used herbicides seen as threat to endangered butterflies
A Washington State University toxicologist has found that three commonly used herbicides can dramatically reduce butterfly populations.
Mar 07, 2012 |
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Electric fish charges up research on animal behavior
An electric eel can generate enough current to stun its prey, just like a Taser. Weakly electric fish can also generate electricity, but not enough to do any harm. "Weakly electric fish are unique in that they produce and ...
Apr 10, 2012 |
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Are all alien encounters bad?
The pages of ecological history are filled with woeful tales of destruction from non-native species -- organisms that originated elsewhere.
Aug 30, 2011 |
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Study of feeding behaviors points to challenges for native fish
(PhysOrg.com) -- A study detailing the feeding behaviors of four species of fish found in the Colorado River and its tributaries uncovered a few surprises and opened new insights to the challenges faced by ...
Feb 03, 2012 |
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St Maarten finds local lionfish tainted with toxin
(AP) -- Conservationists in St. Maarten are warning islanders not to eat lionfish after tests found a naturally occurring toxin in the flesh of the candy-striped invasive species, officials said Thursday.
Nov 26, 2011 |
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Delta smelt population on the rise, survey finds
The imperiled fish that has been at the center of California's water wars may be at its highest numbers in a decade, judging by the results of a recent survey.
Oct 14, 2011 |
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Can indigenous peoples be relied on to gather reliable environmental data?
No one is in a better position to monitor environmental conditions in remote areas of the natural world than the people living there. But many scientists believe the cultural and educational gulf between trained scientists ...
Oct 13, 2011 |
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Great Plains river basins threatened by pumping of aquifers
Suitable habitat for native fishes in many Great Plains streams has been significantly reduced by the pumping of groundwater from the High Plains aquifer – and scientists analyzing the water loss say ...
Nov 18, 2011 |
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Tahoe native fish population declines sharply, invasives on the rise
In a lakewide study, a team of scientists lead by University of Nevada, Reno limnologist Sudeep Chandra has found a considerable decline in native fish species density at Lake Tahoe since 1951. In their final ...
Mar 22, 2011 |
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More than 31 freshwater species have 'moved' to Galicia over past century
Galician researchers have studied the evolution in the introduction of non-native fresh water species in Galicia over the past century, and have compared this with the rest of the Iberian Peninsula. The results ...
Jan 13, 2011 |
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White House names overseer of federal effort against invasive Asian carp
The White House has tapped a former leader of the Indiana Department of Natural Resources and the Indiana Wildlife Federation as the Asian carp czar to oversee the federal response to keeping the invasive species out of the ...
Sep 09, 2010 |
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U.S. hopes dams' demolition will let salmon return
They were known as June Hogs -- 100-pound salmon that, when stood on end, were taller than a man.
Apr 12, 2010 |
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