High levels of the drug were found in 13 Brazilian sharpnose sharks, according to new, first-of-its-kind research Bailey Richards is a writer-reporter at PEOPLE. She has been working at PEOPLE ...

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

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 ...

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 ...

Sharks have tested positive for cocaine off Brazil’s coast, according to a new scientific study. Scientists with the Oswaldo Cruz Foundation tested 13 Brazilian sharpnose sharks who all tested ...

Not only did all the sharks test positive for cocaine, but the concentrations were up to 100 times higher than had been previously reported in other aquatic life. Due to the Brazilian sharpnose ...

Marine biologists in Brazil tested 13 sharpnose sharks and found them to have 100 times the amount of cocaine than previously reported in Brazilian aquatic wildlife, according to the BBC. The ...

Off the coast of Brazil, researchers have reported a group of free-range Brazilian Sharpnose sharks that tested positive for cocaine and benzoylecgonine, which is the major metabolite of cocaine.

But I hit his dorsal fin and kicked out - and in the end he released me." In absolute terms, there are more shark attacks in Florida and Australia than in Brazil. But statistically, a higher ...

Hundreds of sharks gathered off the coast of Brazil, attracting the attention of divers and scientists. A video shows the mass of ocean predators mysteriously circling. Free divers plunged into ...

More than 10 sharks in waters off the coast of Brazil tested positive for cocaine, according to a first-of-its-kind study. The study dubbed "Cocaine Shark" examined the cocaine and benzoylecgonine ...

Researchers reported finding traces of cocaine in the muscles and livers of thirteen Brazilian sharpnose sharks collected from coastal waters near Rio de Janeiro, with concentrations up to 100 ...