The results showed that all the sharks - 13 in all - had been exposed to cocaine. A high concentration of the drug was detected in sharpnose sharks off the coast of Brazil. In particular ...

Multiple sharks have tested positive for cocaine just off the Brazil coast. Rachel Ann Hauser Davis, a biologist for Brazil’s Oswaldo Cruz Foundation, told NPR that they dissected 13 wild sharpnose ...

National Geographic called the research “first-of-its kind.” They tested 13 sharpnose sharks caught near Rio de Janeiro and found the drug in the liver and muscle tissue of all 13 of them ...

It was filmed 2,500 feet down and the shark is a male sharpnose sevengill, a deep water shark which SharkSider.com describes as both little known and primitive “as they are most similar to ...

He said each trip brings new discoveries and excitement. “We saw a sharpnose sevengill shark, which is a really cool species,” Phillips said. “As far as we know, it had not been seen in that ...