Well, right now in my 12 gallon I have 5 Neon Tetras, 3 GloFish Danios, 2 Peppered Corydoras, and 1 Otocinclus. If I separated my mollies I would be putting my one male in to that tank. I'm not too concerned about the molly being compatible with the other fish in the tank, I just don't want...