Salmon are tripping farther and farther under the influence.
Drug usage by humans frequently pollutes the habitat of marine life and is causing changes in their behavior.
It arises now that Cocaine-fueled salmon – yes, that’s apparently a thing – swim nearly double the distance of non-drugged fish.
The high fish venture much farther afield than they would normally do, according to scientists.
It turns out that salmon exposed to cocaine through water pollution do a lot of swimming—which may not be a good thinghttps://t.co/K2tKqRxmUP
— Scientific American (@sciam) April 20, 2026
The Telegraph reported:
“Wildlife experts worry that fish exposed to drugs through water pollution may end up swimming into unfamiliar waters or wear themselves out with the extra effort, potentially damaging their immune systems and development.
The remnants of recreational drugs are frequently found in Britain’s rivers and lakes, with estimates suggesting 80,000 lines of cocaine pollute the Thames each day.”
How cocaine pollution is pushing wild salmon past their limits https://t.co/ay6Xok5DrB
— The Times and The Sunday Times (@thetimes) April 20, 2026
Researchers from the Zoological Society of London (ZSL) and Griffith University in Australia teamed up with Dr Daniel Cerveny of the Swedish University of Agricultural Sciences for this study.
“’The idea of cocaine affecting fish might seem surprising, but the reality is that wildlife is already being exposed to a wide range of human-derived drugs every day’, said Dr Marcus Michelangeli, from Griffith University’s Australian Rivers Institute.
‘Where fish go determines what they eat, what eats them and how populations are structured. If pollution is changing these patterns, it has the potential to affect ecosystems in ways we are only beginning to understand’.”
A new international study has provided the first evidence that cocaine and its metabolites alter the behavior of fish in their natural habitats.https://t.co/SyI9RvMs51 pic.twitter.com/HM5kpjkqma
— Interesting Engineering (@IntEngineering) April 20, 2026
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