ive been keeping snakehead and red pacu for about a year now. for some reason giant snakehead dont attck red pacus even if it has outgrown the pacus. snakehead has gone for a week without eating still didnt consider pacus as food. the good thing is the feeding. throw vegetables in for pacu and fish for snakehead they dont compete for the same food. every once in while though, i see a chipped fin of the snakehead. maybe pacus accidentally bite them....
