That's pretty much what I did when I set up my first larger community tank. I wanted everything out there I saw, and ended up with 2 black mollies, 2 dalmation, 2 white, 3 tiger barbs, 2 rosy barbs, 3 glowlight, 3 neons, etc. 1 of each kinda cory cat,etc. Not the ideal for schooling fish, you...