The practice of crucian carp

Chinese name:鲮鲫鱼

Mud , Cypriniformes, Cyprinidae. The body is elongated, the abdomen is round, the head is short, and the kiss is round and blunt. In the lower mouth position, the front of the upper and lower jaws have keratinized edges, which are suitable for scraping underwater attachments. In natural water bodies, mussels will scrape the attached organisms (such as green algae, diatoms, filamentous algae, etc.) on bottom rocks and other objects, and they will also eat organic matter in the silt.