Hello everyone. I would like to ask for your honest opinion. I have a 40 gallon FOWLR tank with a 10 gallon refugium sump and an aquaclear 110 for filtration. I was thinking to add a butterfly, a foxface or some other fishes on it. I have the list of my stocking below. Do you have any recommendation what to add. Looking for a peaceful fishes. any suggestions?
tank has
40 pounds LR
1 small yellow tang
2 blue damsel
1 tomato clown
1 lemon peel
1 cleaner shrimp
4 snails
10 red hermit crabs
filters
basic protein skimmer
aquaclear 110 HOB
10 gallon DIY sump refugium with chaetomorpha, chemi pure blue, purigen, 2" sand bed and filter sock.