65 gallon tank
12(and decreasing) corys
1 angel
multiple tetras
1 synodontus eupterus
1 upsidedown cat
well planted, well aerated and filtered tank. 2 strong airstones in each backcorner and a hot magnum 250 (gph) hang-on-the back filter. seachem fluorite, sand and river gravel about 2 inches...