BéarlaThis species is distinguished by the following characters: 27 lateral-line scales; 18-25 gill rakers; mid-dorsal region of nape is naked or with small deeply embedded scales continuous across the dorsal part of nape (more apparent in dried specimens); relatively elongate body with depth 2.3-3.2 in SL; body width 2.2-2.7 in depth; head length (HL) 2.6-3.1 in SL; snout 2.3-2.7 in HL; eye 2.6-3.7 in snout; flexible dorsal spines; caudal fin truncate to slightly rounded; pectoral fins 1.6-1.9 in HL; pelvic fins 2.1-2.5 in HL. Body colour of Initial Phase (IP): brown to orange-brown, a dark edged pale blue spot on each scale; head reddish-brown to orange-brown, with dark-edged narrow blue bands; dorsal fin brown to brownish-red with small dark-edged blue spots, a narrow blue margin and black submarginal line; anal fin brownish-red to red and 2 or 3 rows of small dark-edged blue spots, a narrow blue margin, and black submarginal line; caudal peduncle with reddish hue on upper and lower margins; caudal fin brown to reddish-brown with small dark-edged blue spots and blue margins; pectoral base with a dusky orange-red bar, edged in blue, the upper portion blackish. Colour of Terminal Phase (TP): each scale of body olive with a dark-edged blue vertical line (except on thorax, abdomen, and nape where the blue segments are shorter and variously oriented); head with irregular, narrow, dark edged, blue bands, a broad blue band across anterior interorbital space; most individuals with a broad light green bar on side centered on sixth dorsal spine, the area anterior to this and the region of the nape coloured reddish to reddish-brown; dorsal and anal fins reddish with broad margins and basal stripes of bright blue, dorsal with a median band of small dark-edged blue spots and the anal with one or two blue stripes in middle of fin; reddish caudal fin with prominent blue margins and blue stripes along rays, but with an upper and lower zone of fin largely free of blue; pectoral base wi