News tagged with native fish species
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 ...
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Hybrid 'Muttsucker' Has Genes of Three Species
Biology /
Jul 23, 2008 |
4.7 / 5 (3) |
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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.
River damming leads to dramatic decline in native fish numbers
Jul 10, 2008 |
3.8 / 5 (4) |
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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 ...
Freshwater Fish Invasions the Result of Human Activity
Biology /
Feb 05, 2008 |
2.3 / 5 (3) |
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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 ...
Invasives threaten salmon in Pacific Northwest
Mar 02, 2009 |
4 / 5 (1) |
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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.
Lake Michigan fish populations threatened by decline of tiny creature
Biology /
Feb 19, 2009 |
5 / 5 (1) |
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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 ...
Conservation of freshwater fish biodiversity: a challenge for the countries of the South
Biology /
Mar 26, 2008 |
4.3 / 5 (3) |
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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, ...
Insight into fish disease to help protect farmed fish stocks
Apr 24, 2009 |
4 / 5 (1) |
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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 ...
Deadly Parasite Could Endanger Salmon and Trout Populations
Jun 17, 2009 |
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Stocks of the UK’s Atlantic salmon along with varieties of domestic Brown trout could be under threat from a deadly parasite according to research led Bournemouth University (BU) published in the International Jou ...
Protection sought again for giant, spitting worms
Jun 30, 2009 |
3 / 5 (2) |
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(AP) -- Fans of the giant Palouse earthworm are once again seeking federal protection for the rare, sweet-smelling species that spits at predators.
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