koi fish (cyprinus rubrofuscus) are kept in ponds

animal fish underwater aquarium food seafood reef yellow dish organism red invertebrate cuisine bird painting koi cyprinus rubrofuscus ponds symbol love friendship water asian pond japan aquatic asia orange japanese beautiful outdoor swim wildlife nature garden goldfish background color ornamental pool day carp black gold colorful golden bubble equally white marine life movement pet seaside together group fresh farm pretty decorative natural fancy exotic