1, the appearance of different: rose crucian carp body shape is long oval, the overall more round, the color of red, yellow and blue, and with black stripes and spots. In contrast, the body shape of the golden dollar fish is short cylindrical, with a larger head, longer fins, a body with scales, and an overall golden yellow or yellow-green color. There is a clear difference in appearance.

2, different survival environment: the rose crucian carp has relatively low requirements for water quality, easier to raise, and can survive in freshwater environments. It is highly adaptable and can survive in different water quality conditions. The golden dollar fish, on the other hand, is suitable for survival under a small amount of saline waters, and has relatively high requirements for water quality, and cannot survive in saline waters. The Golden Dollar Fish needs a specific water quality environment to stay healthy.