More than a dozen sharks living off the coast of Brazil tested positive for cocaine, researchers shared in a report on Tuesday.
A total of 13 Brazilian sharpnose sharks were tested by scientists who discovered the cocaine in both the muscle tissue and liver of the sharks, according to researchers from the Oswaldo Cruz Foundation in Brazil, CNN reported.
The sharks were chosen both because of their small size and that they live in the coastal waters that are in close proximity to a significant contaminant discharge for their entire life cycle, according to the report. It is the first time the drug has ever been detected in free range sharks, the outlet noted.
Sharks off Brazil coast test positive for cocaine https://t.co/bDMDjqqic7
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The study found that the cocaine levels in the 13 sharks had a concentration as much as 100 times higher than…