Search our collection of background (non-event) articles from news media, science journals and other sources.
A new study reports that Atlantic salmon exposed to the anti-anxiety drug clobazam during migration became bolder, passing through hydropower dams faster, though this behavior might increase predation risk later.
Salmon advocates have raised concerns over declining salmon numbers, blaming an oversupply of hatchery-reared fish that overwhelms natural stocks and disrupts ocean ecosystems.
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