I no longer have trouble with these because I tamed and the source that little bird thing it always takes your stuff and you can turn it on hunt and it will just kill all the ones that tried to attack you and they don’t even kill ones that aren’t trying to attack you and it doesn’t like slowly killed them it like instantly the second it pulls it out of the water it dies. It’s so useful cause the piranha is literally the most annoying creature in the game.