how many firemouths do you have? Male to female ratio? I have 7 I think I have 4 females and 3 males ocassionally fights break out but they dont last long!
I don't have a group, I have the following Juvi cichlids (all male):
1 x Firemouth
1 x Honduran Red Point
1 x Port Acara
1 x Geophagus sp 'Red Head Tapajos'
Pics via my sig below
I am not sure who the FM is scrapping with as I haven't seen any. He gets on fine with the Honduran and Geo during daytime, he doesn't like the port acara too much these days though and asserts his dominance once in a while, but without any biting. He is the boss of the tank with the Honduran a close second, but those two seem to get on just fine (when the lights are on)
Once I get my 5ft'er setup I may add some additional same species fish to what I have, but probably not...space is precious and breeding creates problems, especially because of the variety of fish I want. I may go for a Rotkeil Sev and a Blue Acara next if I can get hold of any when the time comes, upping the number of SA cichlids.
I think if I wanted to have a breeding pair I would add a second smaller tank to the house and try either Bolivian Rams or Cockatoo Dwarf Cichlids in a well planted tank...those would be easier to manager in my view.