odd couple

I have an Oscar named Donut, my wife names all the fish after food items, and he is about 6 inches now. When I first got him at 2 inches he was a peaceful little guy and was an angel with his tank mates. When the time came to upgrade him to a bigger tank with the big boys at around 4-5 inches...

First, I would like to state that I had absolutely no intentions of breeding any of my cichlids.... I have a 215 gallon tank with 2 Oscars, a green terror, a flowerhorn, a Texas cichlid, a channel catfish (which I know will outgrow the tank but we have a friend with a pond), and a...