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 ...

Watch as this school of migrating salmon swarm an underwater camera. The Salmon can be seen looking at the camera before continuing on with their migration. Caught on camera by Alvaro Herro who ...

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Study reveals commonly detected environmental levels of clobazam -- a medication often prescribed for sleep disorders -- increased the river-to-sea migration success of juvenile salmon in the wild.

Member of the UC Santa Cruz Fisheries Collaborative Program holds a live adult Chinook salmon from the Sacramento River in 2022. (Photo by Jeremy Notch) Imagine a world where just six out of every 100 ...