Female koi have a tendency to obtain rounder heads and bellies, whereas male koi have pointed heads plus much more slender bodies. Males is often mistaken for females when they're overfed and turn out to be obese. These ornamental fish ended up bred with a scaleless carp imported into Japan https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah