What is the moral of goldfish being raised?

According to Baidu Encyclopedia, goldfish is golden, fish and jade are homophonic, and goldfish and jade are homophonic. Keeping a group of goldfish at home symbolizes happiness from now on.

Goldfish, carp, evolved from wild red and yellow crucian carp. As early as the Jin Dynasty, there were written records of red scale fish-goldfish, which can be called the quintessence of China.