my tank is a AR 980 I have 2 clown loaches, 2 bristlenose, 2 cat fish 2 red tailed sharks, 3 sword fish, 4 glass fish, 5 neons, 6 plattys, 6 black widow tetras and 1 betta. do I have any room for 4 discus if not what do you suggest I give away and what should I keep my tank is 215 ltrs I have gravel rocks plants which brings it down to about 175 ltrs of water more or less cheers Joy :roll: