Kawarimono
Kawarimono is a broad koi class for non-metallic varieties that do not fit neatly into the major patterned groups. It includes many miscellaneous, single-color, and unusual types such as Chagoi, Soragoi, Karashigoi, Hajiro, Kumonryu in some systems, and other changing or less formalized forms. The class is less about one fixed pattern and more about giving a place to koi whose color, scale, or ancestry falls outside the classic Kohaku, Sanke, Showa, and Utsuri structure.
For pond owners, Kawarimono can be very practical fish because many are selected for size, calm behavior, and strong bodies as much as show pattern. Chagoi and related types are often used to settle nervous ponds because they tend to feed boldly, though individual temperament still varies. Buyers should judge body, skin, growth history, and whether the variety name is being used consistently. Breeders need clear records because this class can become a catch-all when parentage or variety identity is uncertain.
Colors: Asagi, Bekko, Benigoi, Black, Blue, Brown, Chagoi, Cream, Doitsu, Ginrin, Gold, Goshiki, Gray, Karashigoi, Kawarimono, Kohaku, Koromo, Kujaku, Metallic, Non-Metallic, Ogon, Orange, Red, Sanke, Showa, Shusui, Silver, Single Color, Soragoi, Tancho, Utsuri, White, Yellow