Cocaine Residues in Water Alter Salmon Behavior
Studies show that salmon exposed to cocaine and its metabolites in lakes and rivers exhibit altered behavior, swimming more actively and further than unexposed fish.
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These Salmon Got High on Cocaine. That Wasn’t the Craziest Part.
Scientists in Sweden made an unexpected discovery when they exposed the fish to the illegal drug as well as another substance.
By Annie Roth
Read full article →Cocaine pollution in rivers and lakes may disrupt behaviour of salmon, study finds
Fish swam further and dispersed more widely after exposure to environmental levels of drug and main metabolite Traces of cocaine that pollute rivers and lakes may accumulate in the brains of salmon and disrupt their behaviour, according to researchers who warn of unknown consequences for fish populations. Juvenile Atlantic salmon that were artificially exposed to the drug and its main breakdown product swam further and dispersed more widely across a lake, suggesting the substances can affect ...
By Ian Sample Science editor
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