Eye wateringly painful animal injuries

Information for bushwalkers from bushwalkers
https://bushwalk.com/forum/
wayno wrote:they were introduced from the amazon because it was thought they werent going to be nasty....
"And its mouth is not so big, so of course it normally eats nuts, fruit, and small fish, but human testicles are just a natural target. It's not normal to get your testicles bitten off, of course , but it can happen, especially now in Sweden."