Figure 5From: Development of the ultrastructure of sonic muscles: a kind of neoteny?Proportion of myofibril areas (Mean ± SD; in %) in sonic and epaxial muscle fiber in Pygocentrus nattereri of different sizes. The dotted line corresponds to the logarithm tendency for the epaxial muscle. The red dots represent the proportion of myofibril in the sonic muscle of mute fish in size class 5.Back to article page