hi all plz help if u can i have a black molly its been fine for the 2 years i have had it but i have just got some discus fish and put them im the same tank the molly is chaseing the discus fish everywere i have got some new plants to try and stop this but as of yet no luck he is also chaseing every other fish in the tank including a 10" silver shark how can i stop this i dont wont to have to rehome him but if i have too i will







