moonwalk98 wrote:
how can i stop this
With great difficulty unfortunately. Some people recommend rearranging your tank, but since they are both then and there together then this may not work, but it may be worth a try.
If the bullying gets to the extent where the fish is obviously in distress than he might have to re-home one of them. I haven't had a serious bullying problem myself although a couple of my Oscars can be a little bit aggressive at times but it's nothing that has ever worried me. Say what other people have got to say, I know a lot of people have been in your situation before