Originally Posted by Mrc8858
I had a school of 5 and nipped at the weakest of the school til near death which many others have seen the same behavior. My dominant male wouldn't even allow new additions to the tank including my clove polyps.
I suppose that could be true for larger groups, but probably not 1-3 chromis. For example, cardinals are very shy if there is one, and quite lonely, put when in a small group they can be aggressive. I've only had 3 chromis and they were very shy and peaceful.