Marine; reef-associated; oceanodromous ; depth range 0 - 250 m . Tropical; 20°C - 28°C ; 31°N - 30°S, 32°E - 130°W

Maturity: Lm ?  range ? - ? cm Max length : 248 cm FL male/unsexed; ; common length : 190 cm NG male/unsexed; ; max. published weight: 131.0 kg

Dorsal spines (total): 13 - 15; Dorsal soft rays (total): 12 - 14; Anal spines: 0; Anal soft rays: 12 - 13; Vertebrae: 38. This species is distinguished by the following characters: body elongate and moderately compressed; mouth fairly large, upper jaw reaching to middle of eye; 14 to 31 large, conical teeth on upper jaw, 10 to 24 on lower jaw; 2 patches of villiform teeth on upper surface of tongue; total gill rakers on first gill arch 11-14; D1 XIII-XV, its border almost straight, the second followed by 6-7 finlets, dorsal fins close together; anal fin followed by 6 finlets; pectoral fins with 25-28 rays; interpelvic process large and single; lateral line strongly undulating; body naked posterior to corselet except for lateral line, dorsal-fin base, and caudal keel; caudal peduncle slender, with a well-developed lateral keel between 2 smaller keels on each side. Colour of back and upper sides brilliant blue-black, lower sides and belly silvery; no lines, spots or other markings on body; anterior tip of first dorsal fin dark; other fins greyish . Body shape (shape guide): fusiform / normal;  Cross section: oval.