Lanshou goldfish is not recommended to be raised outdoors in winter. Because the outdoor temperature is relatively low in winter, and Lanshou goldfish is more suitable for low water level culture, it is easy to freeze when raised outdoors. In addition, the outdoor temperature difference is relatively large in winter, and Lanshou goldfish is sensitive to the temperature difference. If the temperature difference is large, it will affect their normal life. Therefore, in winter, it is best to transfer Lanshou goldfish indoors. If it cannot be transferred, a heating rod or a circulating filtration system can be installed to ensure that the water in the fish tank will not freeze.
2. How to raise Lanshou goldfish in winterWhen raising Lanshou goldfish in winter, the first thing to pay attention to is the water temperature. Only when the water temperature is appropriate can they live normally. If you raise Lanshou goldfish indoors, you don't need a heating rod, because the indoor temperature will not be too low. If you raise Lanshou goldfish outdoors, it is best to install heating rods to avoid freezing.
Furthermore, the feeding situation. When the temperature is low in winter, the appetite of Lanshou goldfish will also decrease. Breeders can reduce the frequency or amount of feeding, so as to avoid indigestion.
Finally, we should pay attention to the light. When raising Lanshou goldfish in winter, the light time can be longer, about 4 hours a day. When basking in the sun in winter, you should also avoid the midday sun.