Scientists have published a novel method for counting Pacific salmon—analyzing DNA from the slime the fish leave behind in their spawning streams.
Ecology
Jan 3, 2019
0
216
The ability to smell is critical for salmon. They depend on scent to avoid predators, sniff out prey and find their way home at the end of their lives when they return to the streams where they hatched to spawn and die.
Ecology
Dec 18, 2018
4
71
Once spring-run chinook salmon disappear, they are not likely to re-emerge, indicates genetic analysis of the revered wild fish in a study led by the University of California, Davis. Prompt conservation action could preserve ...
Ecology
Dec 4, 2018
0
160
Researchers who confirmed in recent years that salmon use the Earth's geomagnetic field to guide their long-distance migrations have found that the fish also use the field for a much simpler and smaller-scale migration: When ...
Plants & Animals
Feb 16, 2018
2
208
The vaccines used by commercial fish farmers are not protecting fish from disease, according to a new study.
Ecology
Jan 22, 2018
0
462
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
0
11
(Phys.org)—A team of researchers from Norway, Denmark and the Netherlands has found evidence that might explain "drop out" fish in salmon and other fish farms. In their paper published in the journal Royal Society Open ...
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
4
239
Researchers in Alaska have found the earliest known evidence that Ice Age humans in North America used salmon as a food source, according to a new paper published this week in the Proceedings of the National Academy of Sciences.
Archaeology
Sep 21, 2015
0
811
Salmon can be selectively bred to be resistant to sea lice, a new study has found.
Ecology
Aug 19, 2015
1
25
