In my 72 display (with almost a 30 gallon sump) i have a tomini tang, a fox face, a melanarus wrasses, nahacky fairy wrasse, trio of bartletts anthias, and a pair of super picasso clowns. maybe a couple small gobies and chromis too. most of my fish are small, and all are happy. i do weekly changes of 15 gallons.
56 gallon
Pair of maroon clowns hosting bta's
Pair of nigrite clowns hosting gigantea carpet
Sail fin tang
Flame Angel
Velvet damsel
4 spotted damsel hosting mini carpets
Blue with yellow tail damsel
And I think that's it....
Oh diamond goby
So 13 and counting
Sadly I had more but one of my mini carpets ate my melenarus wrasse and Dragon goby. Largest tube anemone ate a damsel or 2. All of this in one week time