Core Viewpoint - The article highlights the introduction of new fish species and innovative farming models in Le Yuan Town, Zhenjiang District, Shaoguan City, aimed at enhancing the quality and efficiency of fish farming [2][3][4]. Group 1: New Species Introduction - The introduction of "Engineering Carp" and "Native Carp" as new species for fish farming is aimed at improving the existing aquaculture structure dominated by four major fish types [7][8]. - "Engineering Carp" is characterized by fast growth and low oxygen tolerance, suitable for mixed farming with other species, potentially increasing profits by 800 yuan per mu [9][10]. - "Native Carp" helps in algae removal and water quality improvement, allowing for cohabitation with other fish, and can reduce water adjustment costs by 100 yuan per mu [12][13]. Group 2: Implementation and Support - The first batch of seedlings has been distributed for free to five demonstration households, showcasing mixed farming models involving various species [14][20]. - A "one-on-one" technical tracking service is being implemented, with plans for broader replication across the town next year [18][20]. - The technology commissioner is addressing key challenges in water quality, disease management, and cost reduction at local aquaculture bases, with further training and collaborative experiments planned for August [21][22].