top down view of a pair of white koi carp fishes with red patches swimming circling around each other

aqua aquarium around asia backdrop background black breed breeding breeds carp carps chinese circle circling cold coloration colouration common computer courting courtship culture cultures curve dark dimensional down each fin fins fish fishes fortune full generated gold goldfish goldfishes good graphics illustration isolated japanese jet kohaku koi loop looping luck marine nishikigoi other pair patch patches pet pets pitch pond ponds red scale scales swim swimming symmetrical symmetry tank tanks three top view water waters wealth wellbeing white