trying to breed convicts and my male is beatin up the female bad so i took her out so she wouldnt get killed. is this normal r they not gunna pair up??? should i get a bunch of babies and let some pair up that way??? i have them in a 37 gallon tall with a divider 1 cave a good size rock and 2 fake plants...male is about 2 1/2 to 3 inches and female is about 2 inches. do i have to much up and down space and not enough left and right???