Well you see my tank is only 90 gallons. So I don't really want to waste space on like 5 of the same type of fish. I was thinking like maybe 2 or possibly 3 bigger fish (the ones that can grow to around 8"-9" or so, right now I have a yellow tang and foxface as my "big" fish) and like 2 or 3 medium fish (like maybe around 4"-5" I've been thinking heavily on flame angels but I'm scared that they won't be reef safe) and maybe 5 or 6 smaller fish (as in 3 inches or less, ex. clown fish, gobies, etc.)