Hello-
I have a 20 gallon tank, currently with 7 platy/swordtail mixture. I have 3 male swordtails, 1 male platy, 2 female platies, and 1 female swordtail. I know my male/female ratio is off, but I am not sure what to do about it. My female swordtail appears to have a nipped tail, and I don't...