ลักษณะ ปลากระบอกเทา เพศเมีย
Biological features
Body cilindrical, robust. Head broad, its width more than width of mouth cleft; adipose eyelid well developed, covering most of pupil; upper lip thin, without papillae, labial teeth of upper jaw small, straight, dense, usually in several rows; mouth cleft ending below posterior nostril. Two dorsal fins; the first with 4 spines; the second with 8-9 soft rays; origin of first dorsal fin nearer to snout tip than to caudal fin base; origin of second dorsal fin at vertical between a quarter and a half along anal fin base. Anal fin with 8 soft finrays. Pectoral fins with 16-19 rays; pectoral axillary about one-third length of fin. Pyloric caeca 2. Scales in leteral series 36-45. Colour back blue/green, flanks and belly pale or silvery; scales on back and flanks usually streaked to form longitudinal stripes; dark pectoral axillary blotch.