Chinese tradition is that to raise goldfish, you must use a round porcelain tank
There are also red parrots and arowanas that attract wealth.
The fish tank should be protected from direct light. According to Feng Shui, it should not be placed in bedrooms, kitchens, and balconies. Most of them are placed in entrance halls and restaurants. Do not put debris or portraits on the fish tank. Do not put messy things in the tank. The number of fish can be 6, 9, 12, or 16.
The shape of the fish tank, the order of fortune-seeking is round, hexagonal, and square.