Sharks in Brazil test positive for cocaine, say scientists
Jul 23, 2024 · Scientists tested 13 Brazilian sharpnose sharks in the waters off the city of Rio de Janeiro and found cocaine present in both the liver and muscle tissue of all 13 specimens, according to...
First 'Cocaine Sharks' Discovered off Brazil | Scientific American
Jul 25, 2024 · Sharks swimming off the cost of Brazil have something a little startling coursing through their systems: cocaine. But that doesn’t mean these fish are unique; scientists just hadn’t previously...
‘Cocaine sharks’ found in waters off Brazil | Science - AAAS
Jul 19, 2024 · Thirteen sharpnose sharks taken from coastal waters near Rio de Janeiro had traces of the drug in their muscles and livers, researchers report this week in Science of the Total Environment.
Thirteen Sharks Test Positive for Cocaine Off the Coast of Brazil
Jul 25, 2024 · Thirteen wild Brazilian sharpnose sharks (Rhizoprionodon lalandii) caught near Rio de Janeiro tested positive for the drug, according to a study published last week in the journal Science...
Not Afraid of Sharks? Well, Now They’re on Cocaine.
Jul 24, 2024 · All 13 sharks examined were found to have unfiltered cocaine in much higher concentrations than in previous studies on other animals, indicating chronic exposure to the drug.
Sharks test positive for cocaine near Rio de Janeiro, Brazil - NPR
Jul 23, 2024 · Scientists in Brazil have come up with the first evidence that sharks are being exposed to cocaine. Rachel Ann Hauser Davis, a biologist who worked on the study at Brazil’s Oswaldo Cruz...
Sharks off Brazil coast test positive for cocaine - BBC News
Jul 23, 2024 · Marine biologists tested 13 Brazilian sharpnose sharks taken from the shores near Rio de Janeiro and found they tested for high levels of cocaine in their muscles and livers. The...
"Cocaine sharks": Predators off coast of Brazil test positive for …
Jul 23, 2024 · Sharks in the waters off Brazil have tested positive for cocaine, marine biologists said in a new study, marking the first time the drug has been found in the free-ranging predators.
Why have Brazilian sharks tested positive for cocaine?
Jul 26, 2024 · Thirteen Brazilian sharpnose sharks caught off Rio de Janeiro have tested positive for cocaine, marine biologists who carried out the tests have reported. High concentrations of cocaine were...
'Cocaine sharks' in Brazil expose ocean pollution - National …
Jul 23, 2024 · New analysis of Brazilian sharpnose sharks has revealed that the illicit drugs are getting into the ocean and contaminating the fish, a first-of-its-kind discovery.