thanks for the advice, no problem at all, i didn't mean to sound rude i just really am having trouble finding info on which plecos are aggressive enought to hold there own. jsut curious what size would be good for the pterygoplichthys. My biggest Piranha is clsoe if not already 5 inches , so would u ...

I currently have a 120 gallon tank, inside i have 5 Red Belly Piranhas, they range from 3-4 inches maybe one is 5 inches. I want to put one maybe two plecos in with them, but am unsure of what species would or could thrive with my RBP's.If there is a species what size would be good 6-7 inches i mean ...