All right, this is my fault mostly probably because I didn't think of it at the store when I bought my fish. Since the platies I wanted were in a big tank and were moving pretty fast, I simply told the guy getting my fish to pick out some younger (smaller), healthy looking ones. I got three. Now that I'm home and they seem to be mostly settled in, I notice that I got two males and one female. I know with most animals it is bad to have more males than females because the males will fight over the one girl. So, does this mean that I should get another female? or should I just leave them be? Right now I can see them chasing each other around, I'm not sure if it's playful or vicious. I'm also pretty much at my capacity for this tank. So I don't know if it'd be better to overpopulate to keep the fish from fighting, or take the female out, or what? Advice is truly appreciated.