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Fig. 5 | BMC Evolutionary Biology

Fig. 5

From: The roles of vicariance and isolation by distance in shaping biotic diversification across an ancient archipelago: evidence from a Seychelles caecilian amphibian

Fig. 5

Boxplots of morphological data for Hypogeophis rostratus, depicting similarity among samples from different islands (a-d) and sex (e-j). Differences between islands in: a) number of primary folds, b) number of vertebrae, c) number of secondary annular grooves, d) TN. Sex comparison: e) HL, f) HW, g) TN, h) ET, i) IN, j) EN. The number of individuals used in boxplots were as follows: Mahé n = 51 males & 55 females, Silhouette n = 26 males & 15 females, Sainte Anne n = 8 males & 8 females, Frégate n = 18 males & 21 females, Praslin n = 23 males & 18 females, La Digue n = 30 males & 16 females, Curieuse n = 5 males, Félicité n = 9 males & 11 females

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