The most suitable water temperature range for goldfish is around 20℃. At this temperature, the metabolism, growth, and development of goldfish are at their best. When the water temperature is lower than 18℃, the metabolism of goldfish will slow down, their appetite will decrease, and they will be prone to getting sick. While when the water temperature is higher than 28℃, the metabolism of goldfish will accelerate, and they may be harmed or even die. Therefore, keeping the water temperature around 20℃ is the key to the healthy growth of goldfish.
The stability of the water temperature is crucial to the health of goldfish. Goldfish are very sensitive to changes in water temperature. A sudden change in water temperature that exceeds 5℃ within a short period of time may cause skin allergies or colds in goldfish, and even lead to death. Juvenile goldfish are especially vulnerable. Therefore, when adjusting the water temperature, it is necessary to use a thermometer and a regulator to precisely control the water temperature and avoid drastic temperature changes.
The effects of different seasons and water temperatures on goldfish are also different. During the spring and autumn seasons, when the water temperature is between 18℃ and 25℃, it is the peak season for the growth of goldfish. While in winter, when the water temperature is lower than 5℃, goldfish will enter a semi-dormant state. Therefore, during the breeding process, it is necessary to adjust the water temperature appropriately according to the seasonal changes to ensure that goldfish can maintain a good growth state in different seasons.
Through the above measures, the water temperature can be effectively controlled to ensure the healthy growth of goldfish.