Summary:
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Cocaine Contamination: Thirteen sharpnose sharks off Rio de Janeiro’s coast tested positive for cocaine, with concentrations 100 times higher than previously recorded in aquatic creatures. The contamination likely stems from drug processing labs and urban wastewater.
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Research Insights: The study, published in Science of the Total Environment, highlights sharpnose sharks’ increased exposure to pollutants due to their coastal habitat, contrasting with species like hammerheads and tiger sharks featured in recent “Cocaine Shark” films.
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Behavioral Impact Unknown: It’s unclear if cocaine affects the sharks’ behavior. The research raises concerns about marine pollution’s broader implications and potential risks to marine life and ecosystems.
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