The Most typical kind of Shūsui includes a pale, sky-blue/gray colour above the lateral line and purple or orange (and very, really hardly ever shiny yellow) under the lateral line and to the cheeks. Quarantine: Quarantine new Koi just before introducing them to the principle pond to stop the distribute https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah