Common names from other countries
分類 / Names
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Gadiformes (Cods) >
Merlucciidae (Merluccid hakes)
Etymology: Merluccius: Latin, mar, maris = the sea + Latin, lucius = pike (Ref. 45335).
Issue
Reported as M. polylepis in Patagonian waters.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の漂泳性; 海洋回遊性 (Ref. 51243); 深さの範囲 28 - 1000 m (Ref. 58489). Subtropical; 33°S - 59°S, 165°E - 66°W (Ref. 58452)
Circumglobal in the southern hemisphere (Ref. 7300). Two distinct groups. New Zealand population: Chatham Rise, Campbell Plateau and South Island northward to the East Cape. Patagonian population: Chiloé Island in the Pacific, southward around the southern tip of South America to the continental shelf to 59°S, and the slope north to 38°S in the Atlantic.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 74.7, range 75 - 85 cm
Max length : 155 cm SL オス/雌雄の選別がない; (Ref. 58452); common length : 80.0 cm TL オス/雌雄の選別がない; (Ref. 1371); 最大記録サイズ: 30 年 (Ref. 9072)
背面の脊椎 (合計) : 1; 背鰭 (合計) : 48 - 57; 肛門の骨: 0; 臀鰭: 40 - 46; 脊つい: 53 - 58. Body more slender than other hakes. Pectoral fins long and slender, stripe reaching anal fin in young individuals but not in fish over 50 cm in SL. Gill rakers short and thick with blunt tips. Color is steel gray on back grading to silvery white ventrally.
Found at depths between 415 and 1000 m in New Zealand waters, and 62 to 800 m in South American waters. The Patagonian population feeds on southern blue whiting, whiptail, nototheniids and squids. The New Zealand population feeds mainly on fishes (especially gadoids), squids, euphausiids and benthic organisms. Adults probably migrate southward during the southern summer for feeding and return to the north in winter for spawning (Ref. 1371). Spawning takes place from August to September on the western coast of South Island, from September to November in the northern part of the Campbell Plateau, and between November and January on Chatham Rise (Ref. 58452). Utilized as food fish and fishmeal.
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
CITES (Ref. 128078)
Not Evaluated
Human uses
水産業: 高い商業の
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
115969): 6.2 - 13.3, mean 8.6 (based on 112 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00334 - 0.00475), b=3.10 (3.05 - 3.15), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
栄養段階 (Ref.
69278): 4.3 ±0.74 se; based on food items.
回復力 (Ref.
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (K=0.07-0.19; tm=6-10; tmax=30).
Prior r = 0.24, 95% CL = 0.16 - 0.35, Based on 4 full stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
Climate Vulnerability (Ref.
125649): High vulnerability (61 of 100).
