Researchers at the Oswaldo Cruz Institute in Brazil found cocaine in 13 Brazilian Sharpnose sharks caught off the coast of Rio de Janeiro.

Researchers at the Oswaldo Cruz Institute in Brazil found cocaine in 13 Brazilian Sharpnose sharks caught off the coast of Rio de Janeiro.

Scientists are blown away after finding significant traces of cocaine in a small sample of sharks from the waters off the coast of Rio de Janeiro. In a study published online last week ...

Researchers tested sharks off of the Brazil coast for cocaine and found high levels of the drug in all of the animals, according to a new study. The study included 13 Brazilian sharpnose sharks.

Researchers have confirmed the presence of cocaine in sharks off the coast of Rio de Janeiro, though questions remain about the effects of the drug.

Researchers found cocaine in sharpnose sharks off Brazil. These sharks are in the same genus as the Atlantic sharpnose shark, shown here with a student researcher near Cape Lookout in the Outer ...

Researchers at the Rio de Janeiro-based Oswaldo Cruz Foundation (Fiocruz) found traces of cocaine in 13 sharks of the species Rhizoprionodon lalandii, popularly known as tubarão-bico-fino ...

This marks the first documented instance of cocaine found in free-range sharks, with concentrations recorded at 100 times higher than any previously noted in aquatic species.

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 marine ...

Sharks living off the coast of Brazil have tested positive for cocaine, according to new research, the first time that the drug has been detected in free-ranging sharks.

Thirteen sharks tested for cocaine and benzoylecgonine were found to have the illicit drug in their muscles and livers.

Researchers at the Oswaldo Cruz Institute in Brazil found cocaine in 13 Brazilian Sharpnose sharks caught off the coast of Rio de Janeiro.