Core Points - The article highlights the recent release of 400,000 fish fry into the Yangtze River as part of Wuhan's aquatic biological replenishment efforts, specifically focusing on the endangered species, the rosy bitterling and the long-nosed catfish [1][2] - The rosy bitterling, a unique freshwater species native to China, is noted for its beauty and is classified as a second-level protected aquatic animal [2] - The event is part of a broader initiative to reinforce the achievements of the "ten-year fishing ban" in the Yangtze River and to protect aquatic wildlife [2][4] Summary by Sections - **Release Event**: On November 18, Wuhan conducted a significant fish release event, introducing 400,000 fry into the Yangtze River, including 200,000 rosy bitterlings and 200,000 long-nosed catfish [1] - **Species Information**: The rosy bitterling is recognized for its striking appearance and long maturation period, with males taking over five years and females up to seven years to breed [2] - **Breeding Efforts**: The rosy bitterlings released were bred by the Wuhan Qingyu Original Species Breeding Farm, which has successfully bred 1 million fry this year, contributing to the replenishment efforts [2] - **Conservation Context**: The release aligns with the national campaign for the protection of aquatic wildlife and is supported by various local government and conservation organizations [2][4] - **Historical Context**: Since the start of the 14th Five-Year Plan, Wuhan has released over 700,000 rare and endangered fish species as part of its ongoing replenishment activities [2]

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]