Im going to be chaning my 20 gallon soon, and here are the fish I will have.
1 lace catfish (synodontis nigrita)
1 paradise fish
1 school of something, long fin leopard danios or some kind of tetra, 6 - 8 in the school.
Filtration: Emperor 280
Heating: 100 watt ebo-jager
Substrate: Fruity colored gravel that I need to change but had to put in at the time because I added alot of fish and this gravel was in another tank and had alot of beneficial bacteria on it.
Decorations: Plastic plants, 1 cave.