Life habits of goldfish

Goldfish has a strong adaptability to water quality, has a certain ability to resist dirty water, and is also more resistant to acid and alkali. Value) can survive in water quality of 5.5 ~ 9.5. Alkaline water is more suitable for goldfish growth, but the alkalinity should not be too high and the pH value should not exceed 8.5.

Goldfish has a wide range of feeding habits and belongs to omnivorous fish with animal bait as its main food. Food is required to be rich in protein, fat, carbohydrates, vitamins, inorganic salts and trace elements. Goldfish eat bread crumbs, rice, leaves, shrimp, meat and so on. Goldfish prefer live food, and goldfish raised with live food grow better.

Goldfish and crucian carp belong to the same species in taxonomy (crucian carp). Goldfish originated in China, also known as "golden crucian carp". It is similar to carp (Cyprinus carpio), but it 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.

12 century, the genetic research of goldfish domestication began. After a long period of cultivation and continuous optimization of varieties, goldfish from all over the world are now directly or indirectly introduced from China. In the history of human civilization, China goldfish has lived with human beings for more than ten centuries, and it is the earliest species in the history of ornamental fish in the world. Goldfish are easy to raise. It has a strange posture, colorful, generally golden yellow and beautiful appearance.

Goldfish in China are mainly developed from crucian carp. However, color carp has attracted great attention since it was introduced to Japan. Thanks to the efforts of generations of goldfish breeders, China goldfish still tells the world the beautiful legend between movement and stillness.

References:

Baidu encyclopedia-goldfish