Pacu, The Fish With Very Human Teeth

From the creature's size (around eight inches long), Einar thought it was about a year old.In a statement which could double as a warning about the Pacu reaching the UK, Lars Skou Olsen, curator of Copenhagen's Blue Planet Aquarium, said "No-one ever thought that a Pacu could live in the wild in Denmark, first of all because the water temperature is too low.