I thinks its possible. But if you get a mean g/t or a mean black belt, it may take the whole tank for itself. Time will tell though just watch for early aggresion and be ready to act. Oh and I would say 40-50 percent water changes twice a week.
i think it said all females didnt it? if there is breeding pair i agree though def not a good idea may cause otherwise mellow GT (dont know about BB temperaments never had one) to have enough a lash out on everyone, my male GT doesnt bother anyone but he will definitely defend himself if someone tries to mess with him and if his "wife" beats on him then he goes and takes it out on the other fish lolMonteSS;3808961; said:BB is the main prob I see. Even in very large tanks they are very mean.
GT may be OK. Depends if you have a psycho or not.
That many cons breeding will be tough to handle too.
...Bill