Cocaine sharks 'off their heads' in South America – and the jokes just keep on coming
![Cocaine sharks 'off their heads' in South America – and the jokes just keep on coming](https://i2-prod.dailystar.co.uk/incoming/article33303726.ece/ALTERNATES/s615/0_Tiger-sharks-Galeocerdo-cuvier-are-common-visitors-of-the-reefs-north-of-the-Bahamas-in-the-Caribb.jpg)
Sharks caught off the coast of Brazil have been discovered by scientists to have traces of cocaine 100 times higher than other previously tested ocean-dwelling animals