In Certain countries, koi have triggered a great deal of harm to waterways that large amounts of cash and effort have already been spent trying to eradicate them, largely unsuccessfully.[69] Koi membutuhkan paparan sinar matahari yang cukup untuk menghasilkan vitamin D, tetapi terlalu banyak sinar matahari langsung dapat menyebabkan masalah https://www.propanraya.com/cara-merawat-ikan-koi-agar-tetap-sehat-dan-indah-di-kolam-rumah