鱼类生活在水体中,它与周围的环境条件有着密切关系,因此,生产者在鱼类养殖过程中,既要充分利用有利的环境条件,又要着力改造不利的环境因素,促使养殖鱼类健康快速生长。与鱼类生长有关的环境因素诸多,有非生物因子和生物因子。其中非生物因子有:一、水温:水的温度对鱼类起着重 Fish live in the water, which is closely related to the surrounding environmental conditions. Therefore, during the process of fish breeding, the fish producers should not only make full use of the favorable environmental conditions, but also strive to reform unfavorable environmental factors to promote the cultivation of fish Healthy and rapid growth. There are many environmental factors associated with fish growth, including abiotic and biological factors. The biological factors are: First, the water temperature: water temperature plays a heavy role in the fish