thefishguy7;1739971; said:Keep one or the other, if you divide the tank they will not have enough room. You can also try growing the oscars larger and reintroducing a flowerhorn when the oscars are significantly larger.
Unfortunately, the flowerhorn will probably keep pace or surpass the oscar's growth rate.
It could work if the specific fish play nice, but it doesn't seem like this is the case. I don't think you see many cases of flowerhorns being on the low end of the aggression scale.