: Crucian carp is an omnivorous fish that mainly feeds on plants. It likes to travel in groups and live where it chooses to eat. The meat is tender and has high nutritional value. Every 100 grams of meat contains 13 grams of protein, 11 grams of fat, and a large amount of calcium, phosphorus, iron and other minerals. Crucian carp has extremely high medicinal value. It is flat in nature and sweet in taste. It enters the stomach and kidneys. It has the effects of harmonizing the body and replenishing deficiency, removing inflammation, warming the stomach when eating, and replenishing vitality. In addition, crucian carp is also an important ornamental fish, and the beautiful and colorful goldfish evolved from crucian carp. Crucian carp has a long history of breeding in my country. The appearance of wild crucian carp is as follows:
1. Body shape: The living conditions of wild crucian carp are definitely worse than those of farmed ones, so farmed crucian carps are generally small in size, with a relatively flat body, an obvious spindle structure, and a relatively small head; on the contrary, farmed crucian carp has a long back and a tall body. High protrusion, obviously larger. The purchased wild crucian carp was 11 two pounds, and it was already a relatively large one.
2. Color: The back color of wild crucian carp is darker, cyan, and the scales are lighter in color, often white and slightly metallic, and can shine like gold coins in the sun; the scales of cultured crucian carp are gray-white and dull.
3. Fish head size: The head of wild crucian carp is relatively small and has a pointed triangle shape, which is sharply reduced from the gills and appears obviously curved; on the contrary, the head of farmed crucian carp is relatively large and plump, and the connection from the gills to the mouth of the head is relatively rounded.
4. Gill color: Because the wild crucian carp grows in a more natural environment and is less polluted by chemical hormones, its gills show a more natural bright red color; on the contrary, the gill color of farmed crucian carp is darker and black.