they should never have been mixed to begin with.. (African Cichlids can sometimes be mixed with semi aggressives.. but not community fish)
so, if you won't move them the divider mentioned is really the only option.. (it's not a great option, as they can still see each other through it.. so the...
Eulogy ..
It is a comedy, but throughout the movie you see them interacting with each other and trying to deal with the death of a not so great father... they are insane..