银鱼是我国的名贵水产品之一,长期以来被誉为席上珍品,在国内外久负盛名。为了开发这一珍贵鱼种,我国水产科研部门在研究大水面移殖大银鱼成功的基础上,又探索出大银鱼池塘养殖技术,为发展银鱼生产开辟了新途径。 一、大银鱼在池塘中的习性 1.栖息习性 大银鱼在池塘中多生活于下层,除缺氧外,极少发现在上层活动,如池周、池底有水草,往往钻入其中,受 Silverfish is one of the precious aquatic products in our country. It has long been praised as a treasure on the table and has enjoyed a good reputation both at home and abroad. In order to develop this precious species, the research department of aquatic products in our country explored the technique of pond culture of big silverfish on the basis of studying the success of the large-size silverfish, and opened up a new way for the development of silverfish production. First, the habit of large silverfish in the pond 1. Habit of habit Big silverfish live in the pond more than the lower, in addition to lack of oxygen, rarely found in the upper activities, such as the pool week, the bottom of the pool of grass, often drilled into them By