青鱼又名“青鲩”,体长略呈圆筒形,背部青黑色,腹部白色。生活于水体的中,下层,性柔和,味美肉嫩。仔幼鱼吃浮游动物,略大吃螺、蚬、暇、蟹昆虫幼虫,属肉食性。人工饲养时喜食人畜粪及糠、枯饼,摄食较强。从鱼苗期放养至第三年时普遍可长到3.5～4.0公斤,最大的可达5公斤,是混养高产的一个重要鱼类品种。但是,青鱼 Herring, also known as “barley” body length slightly cylindrical, blue and black back, abdomen white. Living in the water, the lower, sexual soft, delicious meat tender. Larvae to eat zooplankton, slightly eat snails, chickens, leisure, crab insect larvae, is carnivorous. Feeding human and animal manure and bran during artificial feeding, dry cake, strong feeding. From the fry stocking to the third year can generally grow to 3.5 to 4.0 kg, the largest up to 5 kg, is an important high-yield polyculture species of fish. However, herring