"With the appearance of the piranha, but with teeth that look uncannily human, the pacu usually dines on a feast of insects, decaying plants and fruit that falls into the waters of the Amazon. But it has become more known for reportedly dining on another food: men's testicles...."
"The pacu is now on the move, and has now been found as far from its South American home as Paris. Could it be making its way to the UK? The small fish was found in European waters for the first time in August with experts warning men to keep their trunks on....."