Fig. 7. Size/frequency distributions of the mitochondrion-rich cell types existing
at 0 h and 72 h of the freshwater-to-seawater transfer experiment (A) and
seawater-to-freshwater transfer experiment (B). Data of four individuals were
pooled for each histogram. red, type-I cell; cyan, type-II cell; magenta,
type-III cell; green, type-IV cell.