In my opinion that is WAY overstocked and will never work.ok i am sorta wondering if this would be stupid to do.15 cardinals or 15red eye tetras,8 female bettas,1 bulldog pleco,1electric blue ram and um..a ..male betta?i know that is VERY VERY VERY RISKY.i can add a bunch more things for them to hide in but i do have a lot of plant cover.