Figure 5 from: Seesamut T, Jirapatrasilp P, Chanabun R, Oba Y, Panha S (2019) Size variation and geographical distribution of the luminous earthworm Pontodrilus litoralis (Grube, 1855) (Clitellata, Megascolecidae) in Southeast Asia and Japan. ZooKeys 862: 23-43. https://doi.org/10.3897/zookeys.862.35727

Figure 5 Mean (A, C) length and (B, D) diameter of P.litoralis samples within each (A, B) locality and (C, D) country sampled in this study. Sampling site codes are given in Table 1. Different letters above the bar indicate a significant difference (P < 0.05; one-way ANOVA).