I have 2 male and 2 female saulosi in a 29g. I bought them young so i could not determine their sex. When do they become mature? The dominant male is not starting to chase the other male and females around the tank. He is also doing this circle dance and doing a lot of twitching. I am pretty sure this is normal and most males do it? And should i be concerned about the other sub domninant male in the tank? will he be killed? thanks