Kohaku
A variant of Koi (Cyprinus rubrofuscus)

Representative Koiphoto — a dedicated image of this exact morph isn't available yet.
White-bodied koi with red (hi) markings; the foundational and most revered variety in nishikigoi. Quality is judged on the crispness and balance of the red pattern over snow-white skin.
Keeper tips for this variant
Keep nitrates low and provide shade — strong direct sun and high-carotenoid overfeeding can blur the kiwa (edge) between red and white and yellow the white ground.