Ty for the reply, i do have a small and a large lightning and the bigger one does seem to show dominance.
The problem seems to be the lack of wanting to swim or plain lazy. When I feed they eat like pigs . Someone suggested more surface aeration so I have crossed my power head streams to meet at...
I got a couple of lightning maroons a few weeks ago and they looked stressed badly in the bag, fins torn , sitting on bottom etc. I put them in a 10 gallon frag tank I have so the fish in display wouldn't bother them . I planned to separate them not knowing if they would fight ( still assume...