The relationship between fish family and M-cell size is not significant via comparison of Synodontidae versus Sillaginidae and Clupeidae versus Sphyraenidae.

• 经由合齿科与沙坡科及鲱科与金梭鱼科的M-细胞 的比较，可知M-细胞大小与鱼类进化程度的关系并不显著。