Yeah i will keep a eye out en make sure they both eat good. From what i notice no one is hiding from one a other en walk by each other alot without anything happens.Auratus typically do well in groups and I've never experienced any kind of long term aggression with them. Keep an eye out, but it sounds like it was an isolated incident. I can't stress how important it is to keep an eye out for any signs of stress. We may only catch a few seconds of aggression, but there can be aggressive moments and bullying we don't see. Just make sure both are eating, no one is hiding away for long periods of time, and that any moments of aggression don't happen frequently and don't last longer than a few seconds.