Goshiki
A variant of Koi (Cyprinus rubrofuscus)

Photo: Ducoussetl · CC BY-SA 4.0
The name means five colours: a koi with red pattern over a dark net of blue and black scale edging on a white base.
A variant of Koi (Cyprinus rubrofuscus)

Photo: Ducoussetl · CC BY-SA 4.0
The name means five colours: a koi with red pattern over a dark net of blue and black scale edging on a white base.