I've had a freshwater aquarium since summer 2001. I started with a small 80 litre tank, and I've just recently upgraded to a 180 litre tank. In the tank, I have: 5 neons, 5 mollies (black, dalmation, gold, swordtail), 5 gold molly fry, 2 tiger barbs, 3 glass catfish, and 1 striped raphael...