I'm about to move my 5 n. brevis and 3 upside down cats over to my brand new 90 gallon tank. What other fish would be good to add? I know for sure I want either a calvus or a comp. I'm also interested in somes sort of Julidochromis, cyps or paracyps, and possibly a a Tang goby or a Tang eel. Does anyone have an suggestions for a guy who has only ever had shell dwellers?