While more drug-exposed salmon reached the Baltic Sea, ... hurtle over rapids and crest two dams before finally reaching the Baltic Sea. The journey takes 10 to 13 days.

They also implanted tracking tags that allowed the researchers to follow the fish as they migrated from release sites in Sweden, across multiple hydropower dams to the Baltic Sea.

Drug-exposed and risk-taking salmon may be more likely to reach the Baltic, but less likely to ever leave it alive. Caudill’s research investigates how environmental change affects fish ecology ...

Young salmon in central Sweden must endure a gauntlet to migrate from their freshwater spawning grounds to the Baltic Sea. Their 17½-mile route along the Dal River is rife with danger, from ...

A 2024 study said sea surface and sea floor temperatures have increased by 1.8 and 1.3 degrees Celsius respectively in the Finnish archipelago in the northern Baltic Sea, in the period from 1927 ...

Pharmaceutical pollution in waterways is changing animal behavior. Exposure to an antianxiety drug is affecting migrating Atlantic salmon, according to a new study.

While that boldness appears to have paid off in more fish reaching the sea, it could be costly in other contexts. "We don't know what happened to the salmon once they got to the Baltic.

Instead, he and his colleagues essentially dumped pharmaceuticals into fish just before they were set to migrate from the River Dal in Sweden to the Baltic Sea.

Atlantic salmon exposed to anti-anxiety medication during their migration were more successful in reaching their destination than drug-free fish, ... across multiple hydropower dams to the Baltic Sea.