牙鲆鱼属冷温性底栖鱼类，水温2℃时仍能存活，但不耐高温，生长温度为8－24℃，适合作为我国北方工厂化养殖的优良品种。现将有关影响牙鲆鱼工厂化养殖生长及成活的因素介绍如下，以供广大养殖工作者参考。一、苗种质量互．鱼苗质量好坏判别：鱼苗质量直接影响整个养殖生产中 Flounder fish is cold and cold benthic fish, the water temperature can still survive 2 ℃, but not heat-resistant, the growth temperature is 8-24 ℃, suitable as the North China factory farming fine varieties. Now on the impact of flounder fish factory farming growth and survival factors are described below, for the majority of aquaculture workers for reference. First, the quality of seed mutual. Good or bad fry quality discrimination: fry quality directly affects the entire breeding production