Brazilian Sharks Test Positive for Cocaine—100-Fold Higher Levels Than Other Marine Life

By :Karmactive Staff

By :Karmactive Staff

Recent study by Oswaldo Cruz Foundation found wild sharks off the coast of Brazil testing positive for cocaine.

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Muscle and liver samples of 13 sharpnose sharks were found to have large amounts of cocaine.

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The cocaine concentrations in these samples were 100-fold higher than in other marine organisms.

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Samples were collected in the Recreio dos Bandeirantes region from September 2021 to August 2023.

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Marine ecotoxicologists’ Sara Novais and Enrico Mendes Saggioro make their statements about the adverse effects of their findings.

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They added, “sharks are used by man for food in Brazil as in many other countries "

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Cocaine likely reaches the sea through wastewater from users and laboratories synthesising the drug.

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The adverse behavioural impacts on sharks have been confirmed, but physiological effects are still being studied.

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The foundation will continue to study the effects of this scenario.

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