Attacks. Although often described as extremely dangerous in the media, piranhas typically do not represent a serious risk to humans. ... Most piranha attacks on humans only result in minor injuries, typically to the feet or hands, but they are occasionally more serious and very rarely can be fatal.

Will piranhas attack a living human?

While piranhas have a reputation for being ferocious man-eaters, they rarely attack and hardly ever kill humans.

Would a piranha eat a human?

Probably not. Piranhas are neither carnivorous nor aggressive man-eaters. ... We're pretty sure that no one has ever been eaten alive by piranhas, even if a few attacks have been reported. In fact, if they have eaten any humans it's more likely because they have eaten the remains of a corpse lying on the river bed.