How big can a little goldfish grow?

Ordinary goldfish can generally grow to about 20~30cm.

The length of goldfish is related to the variety and individual differences of goldfish, and the length of each goldfish is different. During the feeding process, the owner should pay attention to the feeding quantity, provide sufficient nutrition, and let the goldfish develop better. Moreover, the old water should be replaced regularly to keep the water clean and aerobic. Goldfish originated in China, also known as golden crucian carp, which is similar to carp, but has no mouth whiskers. It is an ornamental fish evolved from crucian carp. There are many varieties of goldfish, and the colors are red, orange, purple, blue, ink, silvery white and five flowers. , divided into four strains: literary species, grass species, dragon species and egg species. In the history of human civilization, China goldfish has lived with human beings for more than ten centuries and is the earliest species in the history of ornamental fish in the world. Goldfish are easy to raise, with peculiar posture, bright colors, generally golden yellow and beautiful shapes.