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冬天螃蟹生活的水温要达到多少度
更新时间: 2020-10-26 00:00:00  

蟹的生存水温是7摄氏度至37摄氏度,适宜生长水温是15摄氏度至31摄氏度,蟹的摄食强度随季节、水温的变化而增加或减少。在冬天的时候,当水温下降到15摄氏度以下时,蟹的摄食能力下降,可隔日或数日投喂一次,投喂的时间以傍晚前后为宜,这是因为蟹是昼伏夜出的水生动物。

关键词: 冬天 螃蟹 生活 水温 达到 多少

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