(Phys.org) —When salmon spawn, males competing to fertilise eggs will win or lose based primarily on their sperm swimming speed, according to a collaborative study by researchers from the University of Otago and the University ...
Plants & Animals
Oct 30, 2013
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Salmon are flashing silver again in the Elbe river and its many tributaries in the Czech Republic as the waterway slowly bounces back from four decades of communist-era pollution.
Ecology
May 13, 2011
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A team of researchers affiliated with several institutions in Norway has found that wild Atlantic salmon in many Norwegian rivers experienced an abrupt reduction in body size in 2005 after their first year at sea. In their ...
Atlantic salmon are caught by fisheries when the fish are migrating to spawn. A new study led by the University of Helsinki explored how salmon caught at different times during their spawning migration differ from each other ...
Evolution
May 8, 2024
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289
New research published today in the journal Scientific Reports has revealed for the first time that half of the world's farmed fish have hearing loss due to a deformity of the earbone.
Ecology
Apr 28, 2016
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With chronic drought drying up rivers earlier than usual this year, California is scaling up a drastic operation to help its famous Chinook salmon reach the Pacific—transporting the fry by road in dozens of large tanker ...
Ecology
Jun 6, 2021
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With the number of salmon in the North Pacific having doubled in the past 50 years, scientists are increasingly concerned there may not be enough food to support them, and changing ocean conditions could make it even worse.
Ecology
Nov 28, 2010
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Menopause is a downright bizarre trait among animals. It's also rare. Outside of the human species, only the female members of two whale species outlive their reproductive lives in such a major way. Female killer whales typically ...
Plants & Animals
Mar 5, 2015
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321
Ice age inhabitants of Interior Alaska relied more heavily on salmon and freshwater fish in their diets than previously thought, according to a newly published study.
Archaeology
Aug 29, 2016
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11
A new study provides evidence that increasing the abundance of a threatened or endangered species can deliver large benefits to the citizens of the Pacific Northwest.
Ecology
Aug 14, 2019
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