1 9, in the tradition of China, nine is the highest number of yang, which has extremely noble meaning. In geomantic omen, it is believed that raising nine koi fish and matching a pair of stars can make the family harmonious, smooth, lucky and lucky.
2, 1, if the fish tank at home is not very big, it is ok to keep a koi fish. Feng Shui says that keeping a fish has a stream of white water, which means prosperity.