Fig. 2

Larval development of pigmentation in C. azureus and D. compressiceps. a–c, e–g Pre-metamorphic development in C. azureus and D. compressiceps larvae. a, e Melanophores on the yolk (arrows) and melanization of the pigmented epithelium of the eye (arrowheads) in C. azureus and D. compressicepsat 4dpf. c, g Melanophores over the dorsal head in C. azureus and D. compressiceps (insets) and iridophores in the eye in C. azureus and D. compressiceps (arrowheads) at 6dpf. d, h–x Development of metamorphic pigmentation in C. azureus and D. compressiceps. d, h Myotome morphology at the onset of overt metamorphosis in C. azureus and D. compressiceps at 7dpf. i, m Melanophores over the dorsal neural tube in C. azureus and D. compressiceps (insets). j, n Skin melanophores at the base of the dorsal fin (arrowheads) and in C. azureus trunk and tail and D. compressiceps tail (insets). k, l, o, p Additional skin melanophores in C. azureus an D. compressiceps. l, p Iridophores in C. azureus and D. compressiceps in posterior caudal fin peduncle (arrowheads). l Dorsal melanophore patches D1–3 in C. azureus. q Dorsal patch D4 on caudal peduncle. r Dorsal patch D1 into D1a and D1b, dorsal patch D2 into D2a, D2b; lateral patches P4 and P5; and iridophores between melanophore patches (inset) in C. azureus. s Lateral melanophore patch P6 in C. azureus. u Melanophores at anterior portion of presumptive midlateral stripe SML (arrow), at presumptive dorsolateral stripe SDL (arrowhead) and presumptive ventrolateral stripe SVL (inset) in D. compressiceps. v Iridophores in presumptive ventrolateral interstripe 1 X1VL (inset). w Iridophores in presumptive dorsolateral interstripe 1 X1DL (arrowhead) in D. compressiceps. x Complete dark stripe pattern at late larval stage in D. compressiceps. Scale = 1 mm