Such a beautiful aquarium! Love the background bubbles and wonderful colors. Visually, very pleasing and very interesting.20 gal. high: planted; 1 zebra danio, 6 glofish, several snails, 2 (visible) RCS; AC50, Azoo air. 65 gal: planted; 4 rosy barbs, 6 glofish, 5 white cloud minnows, 3 zebra danios, 5 dojo loaches, several snails; AC110 x 2.