青苔亦称青泥苔,是水绵、双星藻、转板藻等几种丝状绿藻的通称。河蟹养殖池中的青苔多发生在春季及初夏,待春季天气转暖后,青苔在清澈的池塘浅水处萌发,只要温度适宜,几个晴日内就会大量生长繁殖,形成团团乱丝而占领水体空间。青苔防控是一个比较复杂的问题,还有很多难题亟待研究和解决。笔者就兴化地区河蟹养殖中青 Moss, also known as green mud, is a common name for several filamentous green algae such as hydroponics, double star algae, and Rotundus. Crab culture pond moss occurred in the spring and early summer until the spring warming weather, the moss germinate in the shallow pond of clear water germination, as long as the temperature is appropriate, a few sunny days will be a large number of growth and reproduction, the formation of a group of disorderly silk and occupation of water space. Moss prevention and control is a more complicated issue, there are many problems to be studied and solved urgently. I Xinghua crab aquaculture areas