Traditional Japanese Koi swim around in Koi Pond with rocks

koi fish cyprinus carpio amur carp cyprinus rubrofuscus koi carassius auratus fish carp pond aquarium kohaku underwater utsurimono carassius gibelio swim kikokury japan nishikigoi multicolored rocks taisho sanshoku japanese water goshiki japanese culture background chagoi common china asian bekko ogon hybrid asia nature doitsugoi animal garden lively exotic colorful beautiful park shubunkin design traditional pretty kinginrin asagi