ya but in the 20 gal. i have 1 male gold and 1 male bolivan, and in the 35 i have 1 male bolivan and 1 female bolivan, i just wanted to stop them from killing eatch other, i think im going to add more plants and drift wood, and one more female, and if 2 par up i will add the other female into the 20 in hops that they pair up, but in sted of adding another female into the 35 could i add a gold to distract the male from the female, or should i stick to my original plan