The mouth of the pacu fish — gigantic, 60-pound cousin to the more well-known (but much smaller) piranha — demands respect. Its brawny jaws and nightmarish teeth, the bottom row of which resembles a ...

This Amazon native can be found in the rivers of PNG and harbours a mouth full of teeth DON’T LET THAT blunt little mouth fool you – the pacu fish (Piaractus brachypomus) isn’t nicknamed the ...

The Indian environmentalist - who specialises in big cat research - concedes he's no fish expert. But as a keen angler he knows a piranha when he sees one, especially one known as the "ball-cutter" ...

The pacu fish, known to bite off male swimmers' testicles, has also been found in Sweden Get daily headlines and breaking news alerts for FREE by signing up to our newsletter We have more newsletters ...

Skinny dippers rejoice: it turns out there most probably aren’t shoals of testicle-chomping fish off the coast of Sweden. The waters of Öresund Sound were no doubt conspicuously quiet after a 21cm ...

As a kid, your mom may have told you to never go swimming within a half hour of eating. What she probably didn't tell you was to keep an eye out for a massive Amazonian fish with a penchant for ...