In a multi-stage effort to return migratory salmon to the Upper Columbia River so the fish may rekindle self-sustaining populations, scientists recently concluded that acres of suitable habitat await the salmon, should they ...
Ecology
May 4, 2021
0
6
A team of researchers from Sweden, the U.K and the U.S., has found that release of hatchery-reared smolts in Sweden has led to a reduction in diversity in Baltic salmon. In their paper published in Proceedings of the Royal ...
A growing demand for cleaner fish in salmon farms raises concerns about overfishing and human-mediated geneflow to wild populations. A recent study reveals that up to 20 percent of the local populations of corkwing wrasse ...
Plants & Animals
Apr 20, 2021
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10
Biologists study the social behavior of fish through their communication, which includes grunts, clicks and coordinated flatulence. Cleaner fish feed on the parasites that live on the skin of many different species of fish, ...
Plants & Animals
Mar 24, 2021
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4
Endangered Southern Resident killer whales prey on a diversity of Chinook and other salmon. The stocks come from an enormous geographic range as far north as Alaska and as far south as California's Central Valley, a new analysis ...
Ecology
Mar 3, 2021
0
375
Across the North Pacific, salmon fisheries are struggling with climate variability, declining fish populations, and a lack of sustainable fishing opportunities. According to a study published today in BioScience from a team ...
Plants & Animals
Dec 9, 2020
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20
A federal court judge ordered the U.S. Food and Drug Administration on Thursday to conduct an environmental assessment of genetically modified salmon that he said was required for the agency's approval of the fish.
Ecology
Nov 6, 2020
0
6
Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the timing of migration in ...
Plants & Animals
Oct 29, 2020
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124
Releasing captive-bred Atlantic salmon into the ocean, a long-standing practice to boost stocks for commercial fishing, reduces the rate at which wild populations reproduce and may ultimately do more harm than good, researchers ...
Plants & Animals
Oct 21, 2020
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623
Federal agencies required a minimum criteria of 96 percent of spring-migrating and 93 percent of summer-migrating juvenile salmon had to survive passage over Lower Granite Dam, located in southeastern Washington. Because ...
Plants & Animals
Sep 2, 2020
0
4
