Marine; brackish; benthopelagic; amphidromous ; depth range 0 - 589 m , usually 100 - 350 m . Subtropical; 49°N - 54°S, 114°W - 180°E

Maturity: Lm 50.6, range 30 - 99 cm Max length : 234 cm TL male/unsexed; ; common length : 100.0 cm TL male/unsexed; ; max. published weight: 5.0 kg ( Ref. )

Dorsal spines (total): 3; Dorsal soft rays (total): 130 - 135; Anal soft rays: 100 - 105. Body extremely elongate, compressed and tapering to a point. Mouth large with a dermal process at the tip of each jaw. Dorsal fin relatively high; anal fin reduced to minute spinules usually embedded in the skin or slightly breaking through; anterior margin of pectoral fin spine not serrated. Pelvic and caudal fins absent. Lateral line beginning at the upper margin of the gill cover, running oblique to behind the tip of the pectoral fins, then straight close to the ventral contour. Fresh specimens steely blue with silvery reflections, becoming uniformly silvery gray sometime after death .