The optimum temperature for the growth of red tiger head goldfish is 20-28 degrees Celsius. Under this water temperature, the growth and development of goldfish is the most vigorous, and the color of goldfish is also the most vivid and lively. The red tiger head goldfish has normal life activities at a water temperature of 15-20 degrees Celsius, but it is not as vigorous as the optimum temperature.

Maintain the water quality from the beginning, change the water and clean the filter cotton timely and reasonably. Usually, it is changed every three or four days in summer, once a week in spring and autumn, and once every two weeks in winter.