Female Koi are inclined to have rounder heads and bellies, whereas male koi have pointed heads and more slender bodies. Males is often mistaken for women when they're overfed and turn into obese. The semi-randomized results of the koi's reproductive method has the two positives and negatives for that breeder. https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah