So I have a little problem with a male cherry barb in the tank who has gotten a little out of control with chasing his other barb friends in the tank. Also I noticed that he chased one of my cories as he went up to surface for air. I think it has to do with the fact that there are 3 males and 2 females, but usually cherries don't get this aggressive. I know I may be overreacting, but I want to make sure everything is alright. What should I do? Add the other female and call it a day? Thanks.