Koi fish, its meaning is usually related to wealth, luck and good fortune. Its name "koi fish" has rich symbolic meanings, such as "Like a duck in water, financial resources are rolling in", which is a symbol of wealth and good luck. At the same time, red in koi fish is also regarded as a symbol of prosperity and vitality, while black symbolizes wisdom and courage.
Compared with koi fish, the grass goldfish has less cultural implications, but it also has its own symbolic significance. The name grass goldfish means that they can swim freely in the natural environment, while "goldfish" symbolizes wealth and prosperity. Therefore, grass goldfish is usually regarded as a symbol of freedom, prosperity and good luck.
Generally speaking, both koi fish and grass goldfish are regarded as symbols of wealth, auspiciousness and prosperity, implying people's yearning and pursuit for a better life.