Meet the "cocaine sharks," also known as Brazilian sharpnose sharks, Rhizoprionodon lalandii, zipping around cocaine ...

Though past research has detected cocaine in an array of smaller ocean species, like mollusks and crustaceans, the amount seen in the sharks was 100 times higher than that found in previous ...

Cocaine was detected in sharks in Brazil, and no, this is not the plot of a movie. Researchers at the Oswaldo Cruz Institute in Brazil found cocaine in 13 Brazilian Sharpnose sharks caught off the ...

Marine biologists tested a group of Brazilian sharpnose sharks swimming off the coast of Brazil. They found high levels of cocaine — and its primary metabolite, benzoylecgonine — in the ...

Scientists have found traces of cocaine in wild sharks off the coast of Brazil, in a discovery that highlights the risks to marine life of the illegal cocaine trade. The Brazilian sharpnose sharks ...

Illegal drug-production labs may be releasing substances into the water that could harm Brazilian sharpnose sharks and other marine animals. Biologist Paulo dos Santos measures a Brazilian ...

Scientists tested 13 Brazilian sharpnose sharks found along the Rio de Janeiro coast and found high levels of cocaine in their bodies. It is not confirmed how cocaine entered the seas near Rio but ...

In a study published last week, researchers tested 13 sharks off the coast of Rio de Janeiro and found that all had traces of cocaine in their liver and muscle tissues. The levels of cocaine found ...

Sharks swimming off the cost of Brazil have something a little startling coursing through their systems: cocaine. The drug had never previously been found in wild sharks. But that doesn’t mean ...

Research conducted by the Oswaldo Cruz Foundation has uncovered alarming levels of cocaine in 13 sharpnose sharks captured near Rio de Janeiro. Upon examination, scientists found significant ...

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. Thirteen ...