News tagged with wild fish
A new chemical method for distinguishing between farmed and wild salmon
Sep 30, 2009 |
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Wild salmon and farmed salmon can now be distinguished from each other by a technique that examines the chemistry of their scales.
Hatchery fish may hurt efforts to sustain wild salmon runs
Jun 10, 2009 |
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Steelhead trout that are originally bred in hatcheries are so genetically impaired that, even if they survive and reproduce in the wild, their offspring will also be significantly less successful at reproducing, according ...
Ocean Fish Farming Harms Wild Fish, Study Says
Biology /
Dec 15, 2008 |
4.3 / 5 (4) |
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Farming of fish in ocean cages is fundamentally harmful to wild fish, according to an essay in this week's Conservation Biology.
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Dramatic declines in wild salmon populations are associated with exposure to farmed salmon
Biology /
Feb 12, 2008 |
3.5 / 5 (4) |
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Since the late 1970s, salmon aquaculture has grown into a global industry, producing over 1 million tons of salmon per year. However, this solution to globally declining fish stocks has come under increasing ...
Conserving biodiversity or plundering genetic diversity? What is captive breeding doing to fish populations?
Biology /
Dec 11, 2008 |
4.5 / 5 (4) |
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Human impacts on the environment have reduced populations of wild species to dangerously low levels. Nowhere is this more apparent than in worldwide fisheries, where thanks to overfishing and habitat destruction, countless ...
Judge says farmed fish can't be counted
Biology /
Jun 15, 2007 |
4.7 / 5 (3) |
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A federal judge in Spokane, Wash., has ruled that only wild fish can be counted in determining which species are endangered.
Sick fish may get sicker: Climate change and other stresses expected to affect entire populations of fish
Aug 03, 2009 |
3 / 5 (2) |
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Entire populations of North American fish already are being affected by several emerging diseases, a problem that threatens to increase in the future with climate change and other stresses on aquatic ecosystems, according ...
Salmon marked 'wild' may be farm-raised
Biology /
Jun 30, 2006 |
4.3 / 5 (7) |
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Salmon labeled "wild" may actually be "farm-raised" and can be costly besides being wrongly packaged, New-York based Consumer Reports says.
Solving the mystery of the metallic sheen of fish
Jan 14, 2008 |
4.1 / 5 (15) |
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The bright, metallic sheen of fish skin — source of endless fascination for fishermen and aquarium owners — is due to a sophisticated system of crystals that enhance light reflection and may help fish hide ...
How to Grow a Bigger Brain
Mar 06, 2006 |
3.4 / 5 (13) |
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Hatchery-reared steelhead trout show increased growth of some parts of the brain when small stones are scattered on the bottom of their tank, according to a new study by researchers at UC Davis. The brains ...
Norway may halt salmon fishing season
Apr 18, 2008 |
4.4 / 5 (5) |
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Norwegian wildlife management officials said stocks of wild salmon have dropped so low they may have to halt the salmon fishing season.
Worried about mercury? It's easy to choose safer fish
Jun 26, 2009 |
5 / 5 (1) |
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We've been told seafood is good for us because it's low in calories and fat, full of protein and packed with Omega-3s, which may protect against coronary heart disease and stroke, and are thought to help neurological development ...
VHS virus infects fish via their gills
May 13, 2009 |
5 / 5 (1) |
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Viral haemorrhagic septicaemia (VHS) is a highly contagious disease of rainbow trout in fresh water, causing great economic loss in the European trout farming industry. In his doctorate, Bjørn Erik ...
List of search results for wild fish
