i have 2 barred midas in my 180 g both 4 inches big and i have A BIG STOCK LIST FOR THIS TANK AND DIM ONLY KEEPIING ONE OF EVERY FISH ON MY LIST AND I HAVE A MALE And a female barred midas which should i keep and which should i sell will there be a difference when they are bigger thanks and whats a good asking price for one ohh sorry about the caps lock

