K kimrocks New Member Jan 6, 2015 #21 Jan 6, 2015 #21 Cirrus said: Looking really good! Does your aro ever give your discus a hard time? Click to expand... Only once at the early stage, when one of the Discus was unwell and he had a nip at it. It does go after the small cichlids in the tank but leaves all Discus alone. I did not move any of the Discus to the other tank, as the bigger RTG is very aggressive and will most likely kill them off.