We currently have a community tank about 1200-450-450 i think,at the moment it has about 12 neons, 6 cardnals, ( had 12 albino neons but they were fair game for everything else in the tank) 3 mollys, 8 catfish, 3 glass cats, 2 kulie loaches, 12 harliquins, 2 honey guamies, 1 red tailed shark, 24 various danios, 1 threadfin, 3 horsefaced loaches, 6 black neons, and a few others i cant think of right now, basically it has heaps of schools of small colourful lively fish it is heavily planted and they all seem happy with their space, good uck with your new venture and i hope to see lots of sucessful comments soon. this site is a world of knowlage and reallyfriendly helpful people