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三、草鱼草鱼是我国淡水中养殖的主要鱼种,多与白鲢、花鲢等混养,生长迅速,经济效益高。1.属水体中下层鱼类。通常情况下,早春和深秋的草鱼多在江河湖泊水库的深水处中下层活动,夏季常常游向水的中上层觅食,冬季会躲进水的深水处栖息。2.性情活泼,游速快,冲力大。其梭形头部和整个身体的流线形结构,更利于行动,游速快,由于个大,冲力也大,喜集群游动。3.喜高温不耐低温。0～38℃水体都能存活。水温在25～30℃时
Third, grass carp Grass carp is the main freshwater fish breeding in China, and more with silver carp, silver carp and other polyculture, rapid growth, high economic efficiency. 1. Is a lower body of water fish. In general, grass carps in early spring and late autumn often operate in the middle and lower deep water of rivers and lakes and reservoirs. In the summer, grass carps usually feed on the upper and middle layers of the water and inhabit in deep water in winter. 2. Lively temperament, fast speed, great momentum. Its spindle-shaped head and the body’s streamlined structure, more conducive to action, fast speed, due to a large, the momentum is also great, like to swim in groups. Hi Hi temperature intolerance. 0 ~ 38 ℃ water can survive. Water temperature at 25 ~ 30 ℃