The migratory journey of Atlantic salmon (Salmo salar) from freshwater rivers to the vast marine environment is a critical phase in their life cycle, significantly influencing population dynamics and ...

In the Pacific Northwest, some tributaries salmon travel through to spawn are so hot that it’s threatening their migration. In some places, biologists have trucked the fish to cooler water. In the ...

Rising water temperatures in the Columbia River Basin are raising questions about whether fishery managers must take new steps to save the imperiled fish. A persistent heat wave gripping parts of ...

A massive new analysis of high seas salmon surveys is enhancing the understanding of salmon ecology, adding details about where various species congregate in the North Pacific Ocean and their ...

If you liked this story, share it with other people. Pacific salmon can play a key role in transporting nutrients from marine to freshwater and terrestrial ecosystems. In the past, Pacific salmon and ...

Three Northwest tribes and federal agencies are getting closer to understanding how to revive Chinook and sockeye salmon runs on the upper Columbia River that were once among the most abundant in the ...

In many streams and rivers, fish are swimming in a veritable soup of drugs. Components of that soup may be disrupting their behavior, according to a new study. Atlantic salmon exposed to anti-anxiety ...