Classification / Names
Common names from other countries
Main reference
Size / Weight / Age
Max length : 90.0 cm TL male/unsexed; (Ref. 9988); common length : 46.0 cm TL male/unsexed; (Ref. 9049); max. reported age: 20 years (Ref. 9072)
Length at first maturity
Lm ?, range 45 - 50 cm
Environment
Marine; demersal; depth range 30 - 600 m (Ref. 58489)
Climate / Range
Temperate, preferred 12°C (Ref. 107945); 34°S - 52°S, 158°E - 174°W
Distribution
Short description
Dorsal
soft rays
(total): 17-19;
Anal
soft rays: 17 - 18;
Vertebrae: 33 - 34. This species is distinguished by the following characters: D 17-19; A 17-18; vertebrae 33-34; body rather elongate, tapering from a moderately broad, flat, bony head (width 1.1-1.4 times its length) covered with tiny blunt spines in juveniles to low radiating ridges in adults; small eyes directed upwards; bony orbital rim separated medially by naked rectangular space; mouth large, vertical, with several prominent canines between smaller canines; chin smooth; lips with short ridge-like crenulations; ventral margin of preopercle with four spine-like processes; anterior end of isthmus with a pair of prominent forward directed spines; prominent cleithral spine sheathed with skin above pectoral fin base; gill rakers on first arch 14-17, in the form of patches of fine teeth, patches narrow, teeth in three or four rows, innermost row rather long; no scales; lateral line pores in skin high on side close to base of dorsal fin; dorsal fin low, elongate, its base 67-82% of predorsal length; pectoral fins huge, fan-like; pelvic fins moderately large, length 20-25% SL (Ref. 86516).
IUCN Red List Status (Ref. 115185)
Threat to humans
Harmless
Human uses
Fisheries: commercial
Tools
Special reports
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Internet sources
Estimates of some properties based on models
Phylogenetic diversity index
PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level
4.2 ±0.58 se; Based on food items.
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=3; tmax=20)
Vulnerability
Moderate to high vulnerability (51 of 100)
Price category