Because I have a lot of water in my filtration I can keep more fishes in this small tank full of corals like parots, Odonus Niger, Flavescens, Hepathus, Anthias,...
Odonus in a small tank don't touch corals or inverts but he was all the time nibbling at my fingers and it becomes difficult to work on my corals, then I put it in the big aquarium of one of my friend...