Dark-margined flagtail (Kuhlia marginata)

Biology

Dorsal spines (total): 10; Dorsal soft rays (total): 10-12; Anal spines: 3; Anal soft rays: 11 - 12. Preorbital serrae 18-28; a few fine serrae may be present on suborbital; body depth 2.7-3.05 in SL; orbit diameter 2.75-3.3 in head length; maxilla extending to or slightly beyond a vertical at front edge of pupil; caudal concavity 2.5-3.1 in head length. Silvery, usually with blackish spots posteriorly on dorsal part of body that tends to merge to form bands anteriorly (or the dark pigment is concentrated on scale margins); most of snout and tip of chin blackish; caudal fin pale with a black posterior margin that broadens on lobe tips, then a very broad submarginal pale zone, often preceded by a chevron-shaped blackish band or row of blackish spots parallel with posterior margin; base of caudal fin with small blackish spots; a narrow white margin on soft portion of dorsal and anal fins with a broad blackish submarginal zone anteriorly that narrows posteriorly (broader i

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