I have just set up my 50 gallon tank, currently (please crit my mixes - this was all cleared by the lfs "expert") have 2 small angels, 1 dwarf gourami (had 3, rosy reds ate two - they are piranha food) 2 small clown loaches, 3 neon tetras, 3 small silver dollars, 1 African butterfly, 2 small...