Utsuri
A variant of Koi (Cyprinus rubrofuscus)

Photo: Maxikoi at Dutch Wikipedia Later version(s) were uploaded by Erik Baas at nl.wikipedia . ( Original text: nl:Overleg gebruiker:Maxikoi ) · CC BY-SA 3.0
A two-colour koi with black over white, red or yellow, the black wrapping the body and head. It is the reverse of Bekko.