I have an 180g tank with no top swimming fish except a 9 inch chalceus erythrurus. He is not aggressive to fish that stay away from his personal spaceand even lets a 3 inch siamese algae eater swim around him.Only ever fed pellets, insects and fd shrimp. I am wanting to get a butterflyfish, I know these fish are meant to be aggresive to other surface fish but I see many people keep them with arowana. There is driftwood that seperates the line of sight into 2 parts and some houseplant roots into corners of the tank provide surface cover, aand there is not much current. Would a african butterflyfish et on okay with the chalceus or would it get shredded? butterfly will be about 3 inches
