10 gallon- guppies galore, just a breeding tank that is set up to breed guppies and grow plants.
20 gallon- 4 angelfish, common pleco, and a cory
50 gallon- serpae tetras, phantom tetras, 2 kribs, Red tailed shark, demon horn pleco, clown pleco, yo-yo loach, 3 ottos, and 2 zebra danios.