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Cocaine Pollution Alters Salmon Behavior in the Wild, Study Reveals
Researchers found benzoylecgonine pushed smolts to swim up to 1.9 times farther per week and disperse 12.3 kilometers farther.
- On Monday, Current Biology published research showing Juvenile Atlantic salmon exposed to Benzoylecgonine swam significantly farther than unexposed fish in a Lake in Sweden.
- Scientists tracked 105 Juvenile Atlantic salmon over eight weeks in a Lake, dividing them into three groups of 35 to test Cocaine and Benzoylecgonine exposure against a control group.
- Benzoylecgonine caused fish to swim up to 1.9 times farther per week, with a 60 percent increase in dispersion reaching up to 12.3 kilometers compared to control groups.
- Jack Brand of the Swedish University noted that risk assessments typically focus on parent compounds, overlooking that Benzoylecgonine is often more common and biologically active in waterways.
- Marcus Michelangeli of the Australian Rivers Institute warned that altered movement could change predator encounters and foraging, though researchers emphasized findings pose no risk to people consuming Fish.
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Cocaine Pollution Alters Salmon Movement in the Wild, Study Finds
Juvenile Atlantic salmon in Scatter Creek, Washington. Credit: Roger Tabor (USFWS) / Flickr / CC BY-NC 2.0 An international team of researchers has found that cocaine-related pollution in natural waters can significantly alter how Atlantic salmon move and use space. The study provides the first field evidence that drug contaminants can affect fish behavior outside laboratory conditions. The research was published in the journal Current Biology. …
Researchers observed changes in movement and migration in juvenile fish exposed to drug residues present in water
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Cocaine contaminated water makes salmon swim faster: study
Previous research has shown cocaine could affect animal behavior.
·Missoula, United States
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Total News Sources26
Leaning Left5Leaning Right2Center10Last UpdatedBias Distribution59% Center
Bias Distribution
- 59% of the sources are Center
59% Center
L 29%
C 59%
12%
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