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 ...

One worker hangs each female salmon from a hook, inserts a needle in its abdomen and sends air flowing to push out the eggs, which land in a colander. Another worker grabs each male fish and ...

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 ...

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 ...

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 ...