一、几个应注意的问题1.从美学角度讲,混养应有主次之分。红剑不能和孔雀混养,因为两种鱼泳姿不同,而且颜色都太鲜艳。如果一缸鱼中百分之九十是孔雀,只有一对红剑和一对黑玛丽,孔雀不要红尾和黑尾,也挺协调的。总之,混养应有主次之分,次要的要少,且成 First, a few should pay attention to the problem 1 from the aesthetic point of view, polyculture should be the primary and secondary points. Red Sword can not polyculture with peacocks, because the two kinds of fish swimming posture is different, and the colors are too bright. If a cylinder of fish is 90 percent peacocks, only a pair of red sword and a pair of black Mary, peacocks do not red tail and black tail, but also very coordinated. In short, polyculture should be the primary and secondary points, less important, and into