Fin Formula: D-XI, 15; P1-19; P2-1, 5; A-III, 15; C-18. Colour of body mottled with various shades of brown. Usually a single black stripe at the inner lining of upper jaw and adjacent membranes; lateral-line ends below verticals between segmented dorsal-fin rays 3-6 (typically fourth or fifth). Pectoral fin yellow wish, dorsal, anal, pelvic and caudal fins blackish. Small-sized, moderately elongate body. Head bulbous. Eye relatively large, oriented dorsolaterally. Mouth large, posterior margin of maxilla extending well beyond eye.