The first appearance of Nishikigoi was about 160 years ago A mutant species was found among ordinary carp for food in Niigata prefecture. Then it was gradually improved and the Higoi, the Asagi, and the Bekko were bred. They became well-known and were sold expensively. The Nishikigoi was the Nagaoka (Niigata) clan’s speciality around 1830.
The Nishikigoi has been still improved and in the Meiji era, a fine Ki-Utsuri was breed. In the Taisho era the Shiro-Utsuri, the Abe-goi, the Taisho-Sanke, the sanke and the Kohaku were breed. Moreover, in the Showa era, the Ginri, the Ogon and other Hikarimonos which were breed by mating the Ogon with other koi appeared.
It was the Doitsu that contributed to the gorgeousness of the Nishikigoi. There are two kinds of the Doitsu, the leather carp which no scales and the mirror carp which has two rows of big scales and the distinctness of colors on the skin without scales helped the Nishikigoi become flowery.