A-Ginrin is the name given to individuals with shining scales that have the characteristics of the Gosanke (Kohaku, Taisho-sanshoku, Showa-sanshoku). Ginrin refers to those developed so that only the scales shine in gold or silver. There are varieties such as Ginrin-kohaku, Ginrin-taisho-sanshoku and Ginrin-showa-sanshoku. Among these varieties, the one with the brightest light is called Diamond-ginrin, and the one with a round central part is called Pearl-ginrin.
It is said that the ones with shining scales neatly arranged all over the body and the ones with strong light are good.

JAS No.2006 A-ginrin

Nishikigoi belonging to A-ginrin has shine golden scales on the scarlet imprints or silver scales on the white body, and those having the appearance characteristics of Kohaku, Taisho-sanshoku, or Showa-sanshok.

Ginrin-kohaku has shine golden or silver scales, and has the appearance characteristics of Kohaku.

Pearl-ginrin-kohaku has scales that shine round and golden or silver in the center, and has the appearance characteristics of Kohaku.

Ginrin-taisho-sanshoku has shine golden or silver scales, and has the appearance characteristics of Taisho-sanshoku.

Pearl-ginrin-taisho-sanshoku has scales that shine round and golden or silver in the center, and has the appearance characteristics of Taisho-sanshoku.

Ginrin-showa-sanshoku has shine golden or silver scales, and has the appearance characteristics of Showa-sanshoku.