I have a very aggressive dalmation molly he was terrorizing and even killing fish in my community tank. I separated him for 2 weeks and tried to reintroduce him back into the community tank and he started the same behavior again. To teach him a lesson I put him in my 90 gallon tank with 7 juvenile cichlids. Well he is chasing the cichlids and they are running from him. Has anyone ever experienced this before and does anyone have any suggestions on what I should do any advice would be appreciated.