Female adult sockeye from the Fraser River are dying at significantly higher rates than their male counterparts on the journey back to their spawning grounds, finds new UBC research. For every male ...

He says the discovery of sex-reversed male chinook ... an analysis of adult salmon gonads performed last year, Nagler identified 50 males and 50 fish that appeared to be female at each of three ...

Biologists have implanted male-reproductive tissue from rainbow trout into male and female salmon, which then bred a new generation of baby trout. In male-salmon recipients, the trout tissue ...

But as those waters warm and other pressures close in, the journey’s toll is hitting female salmon harder, according to a new study from the University of British Columbia, which looked at 30 ...

Sockeye salmon spawning in the Fraser River. UBC researchers are finding female salmon are dying at a higher rate than male salmon.Getty Images Historically, female sockeye salmon have outnumbered ...

Japanese scientists wound up with male salmon that ejected trout milt (semen) and female salmon bearing trout eggs. Further, trout offspring of these altered salmon were totally normal and able to ...

Sidlauskas says analysis by the lead author of the paper, Kerin Claeson, found both male and female salmon had the "multi-functional" spike-tooth feature. "That's part of our reason for ...

For every male salmon that doesn't make it to their natal stream, at least two, sometimes three female salmon die. "This is causing skewed sex ratios in their spawning grounds, something that has ...