红虎头金鱼的水温适宜。在这个温度下，金鱼是最有活力的，金鱼的颜色也是最鲜艳的。红虎头金鱼在15-20℃的水温下也很正常，但没有最佳温度那么旺盛
从一开始就要保持水质，及时合理地更换水和清洁过滤棉。一般夏天三四天换一次，春秋两季一周换一次；冬天半个月换一次
The water temperature of the red tiger head goldfish is appropriate
The optimum temperature for the growth of the red tiger head goldfish is 20-28 ℃. At this temperature, the goldfish is the most vigorous and the color of the goldfish is also the most vivid. The red tiger head goldfish is also very normal in the water temperature of 15-20 ℃, but it is not as vigorous as the optimum temperature
The water quality should be maintained from the beginning, and the water should be changed and the filter cotton should be cleaned in a timely and reasonable manner. Generally, it is changed every three or four days in summer, once a week in spring and autumn, and once every half a month in winter
