I don't usually use carbon my water is always pristine..
I feed them shrimp pelets
some color crumbs ans flakes..
and beef heart so they have good diet..
I was like wtf..
but he is with 1 female and one male the male and him do go at it.. but he plays alpha... maybe a messed up scale? its not dented in like hole in the head which is why I was wonderin to begin with