ok for my FOWLR 55gal...what about a wolf eel(which is smaller than a snowflake) a volitan lion(if not than a dwarf but i read that a 55gal is good for them) and one more fish??? Think this would work? And when i order them should i order them at small size or mediums? or one small and one medium? Thanks..and suggestions for the 3rd fish please? someone mentioned angels?