For salmon, being bigger isn't always better. Being a little smaller—at least intermediate size—is more advantageous for maximum spawning in riverbeds, a University of Wyoming researcher recently discovered.
Ecology
Feb 27, 2014
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By adjusting water discharges in ways designed to boost salmon productivity, officials at a dam in central Washington were able to more than triple the numbers of juvenile salmon downstream of the dam over a 30-year period, ...
Ecology
Feb 25, 2014
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An experimental study from researchers at Uppsala University provides evidence that in Atlantic salmon, selection acting upon sperm phenotypes within a single ejaculate of a male affects the time until hatching in the resulting ...
Plants & Animals
Feb 13, 2014
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A tiny minnow that lives only in Oregon is set to become the first fish ever taken off U.S. Endangered Species Act protection because it is no longer threatened with extinction.
Ecology
Feb 4, 2014
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Basic ocean conditions such as current directions and water temperature play a huge role in determining the behavior of young migrating salmon as they move from rivers and hit ocean waters for the first time, according to ...
Ecology
Nov 8, 2013
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Tens of thousands of farmed salmon are dead after a swarm of mauve stinger jellyfish swept through an open-ocean salmon farm in Ireland. Tourists in France and Spain must contend with these summer visitors, too. Where are ...
Ecology
Oct 25, 2013
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From a fish-eye view, rice fields in California's Yolo Bypass provide an all-you-can-eat bug buffet for juvenile salmon seeking nourishment on their journey to the sea. That's according to a new report detailing the scientific ...
Ecology
Oct 24, 2013
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Interbreeding between escaped farmed salmon and their wild counterparts is a major headache for the aquaculture industry. Now Norwegian fish farming companies are raising one million sterile salmon in sea cages – for the ...
Ecology
Aug 27, 2013
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Coastal waters off California are getting more acidic. Fall-run chinook salmon populations to the Sacramento River are on the decline. Conifer forests on the lower slopes of the Sierra Nevada have moved to higher elevations ...
Environment
Aug 8, 2013
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(Phys.org) —Salmon and other native freshwater fish in California will likely become extinct within the next century due to climate change if current trends continue, ceding their habitats to non-native fish, predicts a ...
Ecology
May 30, 2013
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