So i have 2 green severum about 3 inches and later on i purchased a jack dempsy about the same size. I herd the two species are suppose to get along but the JD seems to be chasing them crazy. I suppose my 35 gallon tank is good for them for now. How to I control this aggression and also I am planning to get rif of the JD. Anyone want to adopt for$5 or trade. Help me out guys before its too late.