The origin of goldfish

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In China, domestication began as early as the Song Dynasty (960 ~ 1276). In the wild state, the body is green, brown or gray, but there are various goldfish sketches.

Different, black, color, gold, white, silvery white and three-tailed, dzi beads, or no dorsal fin variation can appear. Over the centuries, the selection and cultivation of this abnormal individual has produced more than 125 goldfish species. Including the common tulle wing with a three-leaf tail, the lion's head with a velvet hat, and his eyes protruding to the sky. Omnivorous, feeding on plants and small animals. Small crustaceans are also eaten during breeding, and chopped mosquito larvae, grains and other foods can be used as supplementary feed. Oviposition takes place in spring and summer. In this season, the body color begins to become bright, the female fish's abdomen expands, and the male fish's gill cover, back and pectoral fin can be idolized with the size of a needle tip. Eggs attach to aquatic plants and hatch for about a week. It is known that the life span of ornamental goldfish is 25 years, but the average life span is much shorter. In many parts of the eastern United States, goldfish that have escaped from parks and gardens have become wild. After being wild, it will return to its original color and grow from 5 ~10cm (2 ~ 4 inches) to 30cm. Goldfish is an ornamental fish that our people are happy to raise. It has become a natural living work of art because of its peculiar posture and gorgeous colors, so it is loved by people. According to historical records and modern scientific experiments, scientists have found out that goldfish originated from wild crucian carp, which is widely eaten in China. First, it changed from silver-gray wild crucian carp to red-yellow golden crucian carp, and then from red-yellow golden crucian carp to different varieties of goldfish after domestic rearing in different periods. As an ornamental fish

As early as the Jin Dynasty (265~420) in China, there were records of red crucian carp. Red and yellow crucian carp began to appear in the "release pond" in the Tang Dynasty, and golden crucian carp began to appear in the Song Dynasty. People began to raise goldfish in ponds, and the color of goldfish appeared in white flowers and spots. In the Ming Dynasty, goldfish moved into a fish tank. In animal taxonomy, it belongs to vertebrates, cephalopods, jaws, fishes, eustoma, CYPRINIDAE, CYPRINIDAE and Carassius. Goldfish and crucian carp belong to the same species and use the same scientific name (Carassius auratus) in science.