Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 52 - 150 m (Ref. 9072). Temperate; 34°S - 52°S, 163°E - 175°W
Southwest Pacific: restricted to New Zealand.
Length at first maturity / Size / Weight / Age
Maturity: Lm 14.5, range 10 - 19 cm
Max length : 45.0 cm TL male/unsexed; (Ref. 3243); common length : 35.0 cm TL male/unsexed; (Ref. 9258); max. published weight: 2.5 kg (Ref. 3243); max. reported age: 17 years (Ref. 9072)
Inhabits rocky areas to a depth of 150 m (Ref. 9258). Carnivore which feeds mainly on small fish and crabs. Feeds by stalking its prey and swallowing it whole. Adults are home-ranging (Ref. 26966). Minimum depth reported taken from Ref. 58489.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Paulin, C., A. Stewart, C. Roberts and P. McMillan, 1989. New Zealand fish: a complete guide. National Museum of New Zealand Miscellaneous Series No. 19. 279 p. (Ref. 5755)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: commercial; gamefish: yes
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 8.5 - 16.5, mean 12.6 °C (based on 29 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00684 - 0.01059), b=3.13 (3.07 - 3.19), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.5 se; based on diet studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.66; tm=2; tmax=17).
Prior r = 0.44, 95% CL = 0.29 - 0.66, Based on 4 data-limited stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (75 of 100).
Nutrients (Ref.
124155): Calcium = 42.3 [24.7, 74.3] mg/100g; Iron = 0.337 [0.198, 0.564] mg/100g; Protein = 17.8 [15.7, 19.7] %; Omega3 = 0.429 [0.241, 0.719] g/100g; Selenium = 15.6 [8.1, 29.5] μg/100g; VitaminA = 13.3 [3.9, 43.8] μg/100g; Zinc = 0.512 [0.376, 0.715] mg/100g (wet weight);