Believe it or not, but believe it or not, put it in a quiet place, because the fish are afraid of being scared! Should not be placed in direct sunlight, otherwise it is easy to grow moss and algae, and the water will be difficult to treat after a long time, which is not conducive to viewing! It is recommended to keep parrots, so as to keep them beautiful. Depending on the size of the tank, you can keep 1, 4, 6, 7, 8, 9 or 1 1, which is good for your fortune. See the above address for details!