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Fig. 5. Head remodeling in dextral flounder produces morphological and behavioral
mirror images of their sinistral siblings. Asymmetric frontal bone
condensation (A) and deformation (B), lateral ethmoid elongation (C),
supraorbital bar resorption (D), pseudomedial bar formation (E), and tilting
(F) and settling (H) behaviors are all reversed compared with typical
sinistral flounder development (G; also refer to Figs
2,
4). Pro-metamorphosis, frontal
(A); early metamorphic climax, frontal (B), left saggital (C), right saggital
(D); post-metamorphic juvenile, left saggital (E); pro-metamorphic larva with
reversed tilt and eye migration (F); settled post-metamorphic juveniles with
left-sided (G) and right-sided (H) morphology and behavior viewed from above.
Calcein-stained bone (A-C,E); Alizarin Red (bone) and Alcian Blue (cartilage)
(D). Right frontal bone (long white arrow), dorsal fin (short white arrow),
left lateral ethmoid (white arrowhead), left anterior parietal barb (black
arrowhead), right supraorbital bar (red arrow), left supraorbital bar (open
green arrow), pseudomesial bar (above broken line), dorsal (d),
ventral (v). Bars, 0.2 mm (A-F) and 1.0 cm (G,H).
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