11月18日，武汉渔政码头热闹非凡。随着放流箱缓缓倾斜，一尾尾胭脂鱼和长吻鮠欢快 地跃入长江怀抱。这是武汉市水生生物增殖放流（第二批）活动现场，共向长江"冬补"了40 万尾珍贵鱼苗——胭脂鱼和长吻鮠各20万尾。 这次放流的"主角"之一胭脂鱼，是长江鱼类中的"明星"。它外形漂亮，姿态优雅，是中 国特有的淡水珍稀物种，更是国家二级保护野生水生动物。成年后，它们身上出现鲜艳的胭 脂色条纹，这种"亮色"在长江鱼类中并不多见，因此赢得了"淡水美人鱼""中国美人鱼"的美 誉。不过，它们在野外成熟期较长，雄鱼要5年以上，雌鱼甚至要7年以上才能繁育后代。 "这次放流的胭脂鱼，都是我们自己繁育的。"武汉青鱼原种场负责人丁运敏介绍。该场 持续多年攻关胭脂鱼人工繁育技术，利用自己培育的亲本胭脂鱼，去年成功繁育了200万尾 鱼苗，今年又繁育了100万尾，为长江增殖放流提供了有力支撑。 武汉生态志愿者们放流胭脂鱼。 今年6月6日"全国放鱼日"，同样在武汉渔政码头放流了国家一级保护动物中华鲟10210 尾、国家二级保护动物胭脂鱼15万尾、湖北省重点保护水生野生动物长吻鮠30万尾，以及青 鱼300万尾、草鱼200万尾、鲢鱼200万尾、鳙鱼 ...

Core Viewpoint - The article emphasizes the high-quality development of the aquatic industry in Leshan, Sichuan Province, through the implementation of a "big food concept" and a focus on green transformation, leading enterprises, smart development, and enhancing the industrial chain efficiency [1] Group 1: Industry Development - In the previous year, Leshan's total aquatic product output reached 146,500 tons, with a total fishery economic output value of 4.089 billion yuan [2] - Key species leading the province include Longfin Mullet at 15,600 tons, Catfish at 31,700 tons, and Carp at 23,000 tons [2] - The city is optimizing the structure of "famous, special, and superior" varieties and innovating aquaculture models to improve breeding efficiency [2] Group 2: Infrastructure and Technology - The city has established 30 facility aquaculture pilot projects, including land-based circular pools and factory-based recirculating water systems, covering a water body of 195,000 cubic meters [3] - Financial investments of 120 million yuan have been made to integrate resources and cultivate new business entities, resulting in the emergence of several high-value production entities [3] Group 3: Environmental Sustainability - Leshan has implemented a comprehensive aquaculture planning document to regulate production and establish designated breeding zones [4] - The city has invested 43.235 million yuan in projects aimed at improving water quality and ecological conditions, including the management of tailwater from 56,000 mu of ponds [4] Group 4: Economic Impact on Local Communities - The city has facilitated the transfer of 28,000 mu of land for large-scale pond aquaculture, benefiting over 12,000 households and generating an annual rental income of 25 million yuan [5] - Employment opportunities have been created for 5,678 individuals in fishing and breeding activities, with average annual earnings of 48,000 yuan and 24,000 yuan respectively [5]