When the drug clobazam accumulates in Atlantic salmon's brains, migrating juvenile fish reach the ocean sooner, a new study found. A juvenile salmon is shown in May 2019. - Jörgen Wiklund Hatched in ...

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 ...

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 ...

Climate change has led to earlier spring blooms for wildflowers and ocean plankton but the impacts on salmon migration are more complicated, according to new research. In a new study, published in the ...

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There has been a "disappointing" drop in the number of salmon migrating upstream to spawn in the North West, according to the Ribble Rivers Trust. The Clitheroe-based charity said since 2012 the ...

A newly completed restoration project on in the San Francisco Bay Area has opened more than 20 miles of habitat — and Chinook ...

Some fish stay in the same cozy bodies of water all year long. Others, like the alewife, a fish found in the waters of the Northern Atlantic Ocean, migrate between different areas to spawn and live.

Hannah Parvin, of the Westcountry Rivers Trust, said: "Salmon are functionally extinct from this catchment because of the ...

(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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Hatched in quiet ...