乌鳍又叫黑鱼，是一种凶猛的肉食性鱼类。其肉质细嫩，营养丰富，经济价值高，具有去瘀生新、滋补调养的药用功效。人工养殖投资少、易管理，可靠性强，不仅适合于众多的养殖户，同时也适合广大农村。其养殖技术要点是：一、池塘条件养殖乌鳍的池塘，要求通风向阳、水源充足，? Black fin, also known as black fish, is a ferocious carnivorous fish. Its delicate meat, nutritious, high economic value, with the new blood stasis, nourishing and nursed back to the medicinal effect. Artificial breeding less investment, easy management, reliability, not only suitable for many farmers, but also for the vast rural areas. Its breeding techniques are: First, pond conditions Uri fin ponds, requiring ventilation, adequate water ,?