2010年11月、2011年5月对四川省九寨沟勿角自然保护区及其邻近水域鱼类物种多样性进行调查,共采集到鱼类6种,共182尾,隶属于3目4科.其中,土著鱼类5种,外来种1种；鲤形目4种,占鱼类物种数的66.67％,鲇形目和鲑形目各有1种,均占鱼类物种数的16.67％.保护区鱼类主要组成为老第三纪原始类群和青藏高原类群,兼有少量的北方冷水类群.其中长江上游特有鱼类3种,占鱼类物种总数的50％；属于四川省重点保护野生动物的有2种,占鱼类物种总数的33.33％.保护区鱼类在食性和栖息习性等方面分别属于不同的生态类型.掠夺性获取,水环境破坏,以及外来种入侵是保护区鱼类资源面临的最大威胁,针对以上威胁提出了相应的保护对策.%An investigation was conducted to the fish biodiversity and fish habitats of Wu Jiao Nature Resources and its adjacent from November 2010 to May 2011. A total of 182 specimens of fish belonging to 6 species 4 families and 3 orders were recorded. Among them, 5 were endemic, 1 were exotic. There were 4 species of Cypriniformes, one specie of Siluri-formes and Salmoniformes, accounting for 66. 67% , 16. 67% of the total species, respectively. The faunal characteristic was mainly of Later Tertiary Period Primitive group and Tibetan Plateau Croup, and a spot of North Cold Water Croup. Among them, 3 species were endemic to the Yangtze River, accounting for 50% of the total and 2 species were Sichuan provincial wild animals, accounting for 33.33% of the total. The fish in the Wu Jiao Nature Reserve belonged to different ecological types in feeding and inhabitation. Devastating fishing, changes in environmental water and the invasion of alien species were the most serious threats to the local fishery resources, and some countermeasures were proposed for conservation and management of the resources.
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