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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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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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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Gender-bending fish on the rise in southern Alberta
Chemicals present in two rivers in southern Alberta are likely the cause of the feminization of fish say researchers at the University of Calgary who have published results of their study in the journal Environmental To ...
Jul 29, 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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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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Non-native lionfish reaches Keys, and industries brace for this 'perfect predator'
Becky Fowler was shipwreck-diving 66 feet below the surface, exploring a watery paradise, when she came face to face with a 4-inch-long, zebra-striped Cujo of the deep.
Jan 22, 2009 |
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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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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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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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Help scientists record invasion of Chinese mitten crabs
Its name might sound cuddly but the Chinese mitten crab is one of the worlds worst invasive species and scientists need help recording sightings in the UK.
Sep 27, 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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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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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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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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