Interbreeding between koi fish and other types of fish by people causes koi fish to change their body color. Pumpkin flour is a natural ingredient that contains compounds to support the color quality of fish. Yellow pumpkin as a natural source of β-carotene which contains 1.10 g protein, 0.30 g fat, 45.00 g calcium, 64.00 g phosphorus, 1.40 g iron, 180.00 IU vitamin A, 52 IU vitamin C, 00 g an…