Physical fish for broodstock will be cultivated to be nice. The purpose of the good that has good physical, fins and scales complete the most important DAK also note the movement of fish when swimming must be agile and balanced.
In order for us not to be confused then we can choose sires from age two to three years. The characteristics of the female is larger than the male belly, body size is also larger. For male koi fish, we can find out from a more streamlined body shape and have a flat stomach. Male koi fish fins are also colored white spots
