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 ...

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 ...

Issaquah Salmon Hatchery is a facility where salmon larvae hatch and travel to the ocean, then come back as adults to repeat ...

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 ...

In the largest study of its kind to date, a team of international researchers has investigated how pharmaceutical pollution affects the behaviour and migration of Atlantic salmon. The study, led by ...

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 ...

OLYMPIA – The Washington Department of Fish and Wildlife (WDFW) is seeking public feedback on a draft strategy designed to tackle barriers that hinder salmon and steelhead migration. This initiative ...

The Kellogg Dam in Milwaukie, Ore., was built in 1857 to power a flour mill. Today, the dam is one of the ODFW's priority barriers, blocking the migration of salmon, steelhead, lamprey and more ...

The barrier removal project reconnects 20+ miles of stream and restores historic migration routes Chinook salmon have been spotted in an upper stretch of Alameda Creek, the largest local tributary to ...

(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 ...