Hey all I have a 20 gallon long aquascape. about 2 inches of substrate and a few rocks. Lots of plants. It is fully cycled and I have had it since like January I think. In the tank, I have 3 dwarf neon rainbowfish, 6 Endler's Livebearers (3 male 3 female), 3 Panda Platys, 3 Guppies, 3 Ghost...