Sharks in Brazil test positive for cocaine, say scientists
WEBJul 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...
Not Afraid of Sharks? Well, Now They’re on Cocaine.
WEBJul 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.
Thirteen Sharks Test Positive for Cocaine Off the Coast of Brazil
WEBJul 25, 2024 — It might sound like science fiction, but researchers have discovered real “cocaine sharks” off the coast of Brazil. Thirteen wild Brazilian sharpnose sharks (Rhizoprionodon lalandii) caught...
First 'Cocaine Sharks' Discovered off Brazil | Scientific American
WEBJul 25, 2024 — They found an average cocaine concentration of 23 micrograms per kilogram in the sharks’ tissue, as well as an average concentration of seven micrograms per kilogram of benzoylecgonine...
Sharks test positive for cocaine near Rio de Janeiro, Brazil - NPR
WEBJul 23, 2024 — A scientist in the study says it’s likely the sharks were exposed to Rio de Janeiro wastewater contaminated from human use of cocaine.
‘Cocaine sharks’ found in waters off Brazil | Science - AAAS
WEBJul 19, 2024 — Now, scientists in Brazil report the first proof that the animals are indeed exposed to cocaine. 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.
Sharks test positive for cocaine in Brazil’s drug-polluted waters
WEBBrazilian sharpnose sharks found with cocaine in their livers and muscles highlight the impact of the illegal drug trade on marine life, scientists say.
'Cocaine sharks' in Brazil expose ocean pollution - National …
WEBJul 23, 2024 — Sharks found with cocaine in their systems. How did that happen? Illegal drug-production labs may be releasing substances into the water that could harm Brazilian sharpnose sharks and other...
"Cocaine sharks": Predators off coast of Brazil test positive for …
WEBJul 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.
Sharks off Brazil coast test positive for cocaine - BBC News
WEBJul 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.