暗纹东方俗称河,属形目、科、东方属,是长江水域特有的洄游性名贵鱼类,具有很高的经济价值。60年代以来,由于长江水系污染日益加重和酷渔滥捕等诸因素影响,其资源锐减。近年来人工繁殖技术已趋成熟,养殖规模逐渐扩大,河已成为极具发展前途的名贵养殖鱼类。现将其苗种的池塘 Under the common name of the river, the obscurus obscurus, is a formal order, family, oriental genus, is a unique migratory fish of the Yangtze River waters, with high economic value. Since the 1960s, the resources of the Yangtze River have dropped sharply due to the pollution of the Yangtze River and the over-exploitation of fishing and fishing. In recent years artificial propagation technology has matured, breeding scale gradually expanded, the river has become a very promising aquaculture fish. Now its seed pond