Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu 22 - 450 m (Ref. 58489), usually 100 - 250 m (Ref. 3243). Subtropical; 27°S - 48°S, 62°W - 176°W
Indo-Pacific: St. Paul and Amsterdam islands in the Indian Ocean, southern Australia, including Tasmania, and New Zealand. Southwest Atlantic: southern South America.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 30.0, range 25 - 35 cm
Max length : 70.0 cm TL con đực/không giới tính; (Ref. 9563); common length : 35.0 cm TL con đực/không giới tính; (Ref. 3243); Khối lượng cực đại được công bố: 2.9 kg (Ref. 6390); Tuổi cực đại được báo cáo: 50 các năm (Ref. 26998)
Các tia vây lưng cứng (tổng cộng): 17 - 18; Các vây lưng mềm (tổng cộng): 25-28; Tia cứng vây hậu môn 3; Tia mềm vây hậu môn: 14 - 15; Động vật có xương sống: 35. Adults have elongate upper pectoral-fin rays and are silvery with a broad black band from the nape to the pectoral-fin base (Ref. 33616).
Adults demersal on the continental shelf and upper slope (Ref. 9563) to depths of 450 m (Ref. 33616). Juveniles tend to live near shallow reefs (Ref. 6390). Postlarvae inhabit offshore waters and are found in surface waters at night (Ref. 9072). Average weight is 1800 g. Feed on polychaete worms, crustaceans, mollusks and echinoderms (Ref. 28626). Flesh is quite good eating. Often sold as tiki fillets.
Jackass morwong have an extended pelagic postlarval stage (Ref. 6390). Research in New Zealand has shown that metamorphosis to the juvenile stage occurs between 9 and 12 months after hatching (Ref. 28625).
Kailola, P.J., M.J. Williams, P.C. Stewart, R.E. Reichelt, A. McNee and C. Grieve, 1993. Australian fisheries resources. Bureau of Resource Sciences, Canberra, Australia. 422 p. (Ref. 6390)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Các nghề cá: Tính thương mại; cá để chơi: đúng
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Estimates based on models
Preferred temperature (Ref.
123201): 11.1 - 16, mean 14 °C (based on 71 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00970 - 0.01710), b=3.03 (2.95 - 3.11), in cm total length, based on LWR estimates for this species (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.4 ±0.42 se; based on food items.
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (K=0.1-0.28; tm=3-6; Fec=100,000; tmax=50).
Prior r = 0.31, 95% CL = 0.19 - 0.50, Based on 1 stock assessment.
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).
Climate Vulnerability (Ref.
125649): Low to moderate vulnerability (26 of 100).
Nutrients (Ref.
124155): Calcium = 53.9 [34.9, 93.5] mg/100g; Iron = 0.942 [0.612, 1.486] mg/100g; Protein = 19.1 [17.3, 20.9] %; Omega3 = 0.381 [0.268, 0.531] g/100g; Selenium = 42.1 [24.0, 72.3] μg/100g; VitaminA = 9.17 [3.73, 21.69] μg/100g; Zinc = 0.658 [0.505, 0.900] mg/100g (wet weight);
