My female clownfish jumped out of the tank after i removed my net and forgot to put it back for like 3 hours. Now I want to replace it and have the male mate with a new clown fish, but i am afraid if i just add a new clown fish, my male will get aggressive. Is there any way to introduce a new clown fish in the tank and keep the peace? My mated pair have been in my tank for the past 3 years, they are the Ocellaris type of clownfish...