Diagnosi |
Diagnosis: Pectoral rays 16 (rarely 15 or 17). Gill rakers 7-10 + 28-33 (total 36-41). Body depth 3.1-3.65 in SL; head length (HL) 2.8-3.1 in SL; dorsal profile of snout straight to slightly concave, the length 1.65-1.95 in HL; barbels long, their length 1.0-1.3 in HL; longest dorsal spine 1.5-1.75 in HL; last dorsal soft ray notably longer than penultimate ray, the latter contained 1.15-1.45 in length of the former; posterior margin of caudal-fin lobes convex; pectoral-fin length 1.35-1.55 in HL; pelvic-fin length 1.25-1.45 in HL. Body gray to red, the margins of the scales often yellow, with a broad black bar on caudal peduncle and one beneath anterior part of second dorsal fin, the area between bars paler than rest of body (sometimes white); a narrow dusky bar often present below interdorsal space, and one or two broad dark bars may be present anteriorly on side of body; head usually with a dark brown band from above upper lip through eye to upper end of gill opening; caudal fin yellowish to pink with narrow blue lengthwise bands; basal half of second dorsal fin of adults dusky anteriorly, black posteriorly, the outer half with narrow dark-edged blue and yellow bands; anal fin like outer part of second dorsal fin (Ref. 54393). |