News tagged with native fish
Evolution of a contraceptive for sea lamprey
Jun 25, 2009 |
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(PhysOrg.com) -- In addition to providing fundamental insights into the early evolution of the estrogen receptor, research by a team at the University of California, San Diego School of Medicine may lead to ...
Insight into fish disease to help protect farmed fish stocks
Apr 24, 2009 |
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Researchers funded by the Biotechnology and Biological Sciences Research Council (BBSRC) have gained a key insight into a disease that is devastating the UK's fish farming industry. The researchers have discovered that fish ...
Non-native lionfish reaches Keys, and industries brace for this 'perfect predator'
Jan 22, 2009 |
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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.
River damming leads to dramatic decline in native fish numbers
Jul 10, 2008 |
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Damming of the Colorado River over the last century, alongside introduction of game fish species, has led to an extensive decline in numbers of native fish whilst introduced species have flourished. Scientists ...
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Hybrid 'Muttsucker' Has Genes of Three Species
Biology /
Jul 23, 2008 |
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In the murky waters of an inconspicuous stream in a remote area of Wyoming, researchers detail the potential impact that an introduced fish, the white sucker, could have on the evolutionary biology of fishes.
Declining water quality threatens freshwater fish species with extinction
Jun 11, 2009 |
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Increasing urbanisation and more intensive farming are killing New Zealand's freshwater fish species by degrading water quality, says the author of a report published this week by the Ministry for the Environment.
Lake Michigan fish populations threatened by decline of tiny creature
Biology /
Feb 19, 2009 |
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The quick decline of a tiny shrimp-like species, known scientifically as Diporeia, is related to the aggressive population growth of non-native quagga mussels in the Great Lakes, say NOAA scientists. As invasive mussel numbe ...
Freshwater Fish Invasions the Result of Human Activity
Biology /
Feb 05, 2008 |
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Globally, invasive species represent a major threat to native species. A new paper published this week in the open-access journal PLoS Biology shows that, for rivers and lakes, where these invasions occur ...
Biologists want to save trout with poison
Jun 19, 2006 |
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For the fifth time, biologists are reportedly proposing to poison a remote Sierra stream to restore what might be America's rarest trout.
Study assesses impact of fish stocking on aquatic insects
Mar 26, 2009 |
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The impact fish stocking has on aquatic insects in mountain lakes can be rapidly reversed by removing non-native trout, according to a study completed by U.S. Forest Service and University of California, Davis, scientists.
Conservation of freshwater fish biodiversity: a challenge for the countries of the South
Biology /
Mar 26, 2008 |
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Humans have regularly been introducing exotic species into natural environments in order to provide for their nutritional necessities or meet less indispensable purposes such as horticulture, fishing or hunting. However, ...
Invasives threaten salmon in Pacific Northwest
Mar 02, 2009 |
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Many native fishes in the Pacific Northwest are threatened or endangered, notably salmonids, and hundreds of millions of dollars are expended annually on researching their populations and on amelioration efforts.
Will a well-mixed, warmer lake doom invasive fish?
Jul 30, 2009 |
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(PhysOrg.com) -- The rainbow smelt, an invasive fish that threatens native species such as walleye and perch, may soon be feeling the heat -- literally.
Restoring fish populations leads to tough choice for Great Lakes Gulls
May 14, 2008 |
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You might think that stocking the Great Lakes with things like trout and salmon would be good for the herring gull. The birds often eat from the water, so it would be natural to assume that more fish would mean better dining. ...
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