reintroducing

As most of you know its pretty hard to keep a cichlid tank without having to deal with aggression. I have a tank designated for those poor bully victims where they recieve special treatment. I also have several breeder boxes (prison cells) for putting the aggressors on time out. I'm looking...

Ok so i have two jewels amungst my 11 other cichlids, and one jewel beat the other one up pretty good. The one turned real dark was like a black and red almost idk if thays important right now. My question is, is it ok to put just that fish in the tank or should i put it in along with a couple...