长吻鮠(俗称江团)是我国名贵的经济鱼类。长期以来,由于人为的选择性捕捞及江河污染等原因,导致资源严重下降,现在嘉陵江年产只有几千斤。为保护这一名贵鱼类,提高产量,满足人民生活需要,西南师范学院和重庆市北碚区农业局水产站,共同承担并完成了重庆市科委下达的本课题研究任务。 Long kiss 鮠 (commonly known as the river group) is China’s precious economic fish. For a long time, as a result of man-made selective fishing and river pollution and other reasons, leading to a serious decline in resources, and now Jialing River with only a few kilograms of annual output. In order to protect this precious fish, increase output and meet the needs of people’s life, Southwest China Teachers College and Beibei District Agricultural Bureau Fishery Station of Chongqing jointly assumed and completed the research task assigned by Chongqing Science and Technology Commission.