蟹池套养鳜鱼,作为河蟹养殖提质增效的新亮点,已在全国各地大力推广。实践证明,在蟹池中套养鳜鱼,鳜鱼可以摄食蟹池中与河蟹争食、争氧、争空间的野杂鱼、虾,不仅可收获部分名贵鱼类,还能显著提高河蟹的规格和品质,仅需增加投入少量的鳜鱼苗种成本,可提高养殖效益300—500元/亩 Crab pool sets catfish, crab culture as a new highlight of quality and efficiency has been vigorously promoted throughout the country. Practice has proved that in the crab pool nursery nautilus, nautilus can eat crab pool fight with crabs, oxygen, space for wild trash fish, shrimp, not only harvest some of the valuable fish, but also significantly improve the crab Specifications and quality, just add a small amount of investment into the cost of catfish fry, raising breeding efficiency 300-500 yuan / mu