1. What kind of fish is koi fish Koi fish belongs to Cyprinidae, and its original species is red carp. This kind of fish has beautiful body shape, bright colors, many patterns and wide distribution. The body surface colors can range from one to several kinds, mainly white, orange, yellow, red, blue and black. This kind of fish has low requirements on the surrounding environment, miscellaneous feeding habits, easy reproduction and good breeding.
They have strong adaptability, and the feeding temperature ranges from 2-30 ℃, and the best feeding temperature is 20-25 ℃. The water they live in has a wide temperature range, but they can't adapt to the rapid change of water temperature. If the water temperature changes more than 2-3 ℃ in a short time, they may get sick. If the water temperature changes by 7-8 ℃, they will become depressed and lie prone on the bottom of the tank without eating or moving. If the water temperature changes more, koi fish will probably die.
2. What are the varieties of koiThe representative varieties of koi mainly include red and white, Dazheng tricolor, Showa tricolor, pine leaf, German gold and so on. Red and white koi carp is mainly composed of deep red and pure white on its body surface, and its pattern edges are neat and distinct. Under normal circumstances, red and black spots or lines are distributed on the body confession background of Dazheng three-color koi fish. The basic condition of becoming Dazheng Sanhong is that there are only erythema in the head but no black spots, and there are black strips in the pectoral fins.
Pine leaf koi has white texture on every scale, and if it has black texture on red scales, it is red pine leaf koi. German golden koi fish belongs to golden carp, which is bright golden yellow as a whole, and its scales are neat and bright.
