Intriguingly, trace levels of the sedative clobazam—a drug prescribed for anxiety and sleep disorders—were found to speed up the migration of juvenile Atlantic salmon in Sweden’s River Dal.

Wild salmon are swimming quicker due to painkillers and other drugs dumped in rivers and the sea, reveals new research. Traces of a sleeping pill shortened the time it took for juvenile salmon to ...

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The team used slow-release drug implants and tracking transmitters to see how clobazam and another common pharmaceutical pollutant – the opioid tramadol – affected juvenile Atlantic salmon ...

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.

The team implanted slow-release drugs in 279 hatchery-raised, juvenile Atlantic salmon. The implants released controlled amounts of two drugs, in varying combinations: clobazam, ...

Pharmaceutical pollution influences river-to-sea migration in Atlantic salmon ( Salmo salar ). Science , 2025; 388 (6743): 217 DOI: 10.1126/science.adp7174 Cite This Page : ...

Every spring, juvenile Atlantic salmon leave their freshwater homes and begin a perilous journey to the sea – dodging predators, navigating dams and relying on finely tuned instincts to survive. But ...

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.

The team implanted slow-release drugs in 279 hatchery-raised, juvenile Atlantic salmon. The implants released controlled amounts of two drugs, in varying combinations: clobazam, ...