i got a 3ft "jail tank" wich consist the ...2 damsels veri fat, 1pair of maroon clown, female is quite huge n a koran.....dun ask me y i put them there instead of main tank.....cause they r in the main tank hahahaa....basically tis jail tank consist of LR only n overhead filter.....its been survivng for haf yr n no casualty had happen in there...water change once a mth w feedin twice aday w a cube of brine per seving....../