Body elongate, cylindrical; head depressed, broader than deep, slightly rugose above, interorbital space concave; snout triangular, pointed, projecting beyond tip of mandible, typically longer than diameter of eye in specimens larger than 20.0 cm SL; 6-7 oblique rows of scales present on cheeks; top of head naked. Mouth very large, gape extends well past eye; upper jaw projects slightly, premaxillaries form entire margin of upper jaw; large, sharp depressible teeth present on upper jaw, tongue and lower pharyngeals. Scales small (except for patch of large elongate scales present below pectoral base and above pelvic base), lateral line well marked, not keeled. Dorsal fin origin equidistant form center of eye and adipose fin, anterior rays not reaching past tips of posterior rays with fin depressed; anal fin base longer than or equal to dorsal base, origin equidistant form end of dorsal base and base of caudal rays; caudal fin not or barely reaching origin of pelvic fin; pelvic fins inserted closer to vent than to snout tip; inner ray of pelvic much longer than outer ray (Ref. 13608); adipose fin base no longer than diameter of pupil. Anterior nares with prominent dermal flap. Gill rakers rudimentary. Branchiostegals: 12-16 (Ref. 4639).

Pigmentation: Color variable with both locality and immediate background; dorsum brownish or olivaceous and with overall greenish cast; mid-lateral line with about 8 obscure blotches, variable in occurrence and intensity, fading wit growth; head brownish with light vermiculations on top and sides, pale yellow below; belly white, silvery white, or yellowish, sometimes with brownish punctuations; pectorals dusky, yellowish, or light green; adipose with dark spot posteriorly.