The heat wave was accompanied by a dramatic increase in deaths of older juvenile and adult chinook that, had they survived, ...

A crane moves a new bubbler to an awaiting boat at Lower Monumental Dam. The bubbler is designed to cool fish ladder water ...

Add Yahoo as a preferred source to see more of our stories on Google. When the drug clobazam accumulates in Atlantic salmon's brains, migrating juvenile fish reach the ocean sooner, a new study found.

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 ...

Environment Agency and West Cumbria Rivers Trust work together to translocate salmon fry upstream of How Beck after reducing barriers to fish ...

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 ...

Officials hope new conservation measures will help reverse the decline in Manx salmon populations. There are calls to protect ...

One of the enduring ichthyological mysteries is how migratory fish know when it is time to move from their winter to summer habitats. The ability to tell when the seasons are changing is crucial for a ...

(CNN) — Hatched in quiet streams and rivers, salmon undertake a perilous journey to reach the open ocean where they become mature adults. Over millions of years, generations of young salmon have ...