Hi my name is joel, I have a 15gallon reef tank it has been running for about 4months. I just purchased a bangai cardinal and a cleaner shrimp my clowns have bullied the cardinal so bad I had to give him back at the shop to be quarintened and they are now going for the cleaner shrimp. I heard that I should seperate them in a seperate tank for a bit but I don't have one so I've put them in a breeder box in the tank. What shall I do btw I don't want to get rid of my clowns there a wild mates pair and they've been in all my tanks for over a year since I started with my 5gallon?