I have a heavily planted, 84 gal tank with Congo Tetras, Black Skirt Tetras, Neon Tetras, Blue Gouramis, a Dwarf Gourami, Zebra Danios, Australian Rainbows, Siamese Algae Eaters, Ottos, and a very fat female Black Molly. I felt sorry for her and bought a male Black Molly. I isolated him in a 5...