a group of ornamental koi fish are swimming in a pond. colourful japanese nishikigoi striped fish for ornamental use.

group ornamental koi fish swimming pond colourful japanese nishikigoi use striped aquatic gold goldfish japan underwater swim wildlife peaceful serene tranquil pet zen reflection aquarium feeding harmony vibrant hobby fauna ornate variation exotic life waterfall aesthetic artistic biology indoors oriental tail well creature motion garden tradition creativity togetherness lively motif backyard wild