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Teleostei >
Gadiformes (Cods) >
Macruronidae (Blue grenadiers)
Etymology: Macruronus: Greek, makros = great + Greek, onos = hake.
More on author: Lönnberg.
Taxonomic Remarks
Junior synonym of Macruronus novaezelandiae according to Olavarria_etal2006 (Ref. 132273). This species summary page will be deleted.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 底中水層性; 海洋洄游的 (Ref. 51243); 深度上下限 30 - 500 m (Ref. 1371). 亞熱帶的; 34°S - 60°S, 79°W - 52°W (Ref. 1371)
Southeast Pacific and Southwest Atlantic: off southern Chile and Argentina.
東南太平洋與西南大西洋: 外海的智利南部與阿根廷。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm ?, range 54 - ? cm
Max length : 115 cm TL 雄魚/尚未辨別雌雄; (Ref. 7063); common length : 80.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 1371); 最大體重: 5.0 kg (Ref. 1371); 最大年齡: 19 年 (Ref. 122851)
背棘 (總數) : 1; 背的軟條 (總數) : 100 - 113; 臀棘: 0; 臀鰭軟條: 83 - 90. Dorsal part of body purplish blue, belly silvery with a slight bluish tinge; small melanophores scattered on fin membrane of dorsal and anal fins; inside of mouth blackish (Ref. 1371).
Body shape (shape guide): elongated; Cross section: oval.
身體帶紫色的藍色的背面, 腹面銀色的有一種輕微的藍色淡色; 小的黑色素細胞散佈在背鰭與臀鰭的鰭薄膜上; 在嘴之內黑色的.(參考文獻 1371)
Schooling species which are concentrated on the outer part of the continental shelf (Ref. 1371). Feeds mainly on fish (herring, anchovies, lantern fishes), also on mysids, cephalopods, euphausiids and amphipods (Ref. 1371). Migrates southward in spring and summer and northward in winter (Ref. 1371). Utilized fresh, frozen and for fishmeal (Ref. 1371).
群游性種那是專注於大陸棚的外部部份。 (參考文獻 1371) 主要吃魚 (鯡魚，鯷魚, 燈籠魚), 也在糠蝦，頭足類動物，磷蝦與片腳類動物上.(參考文獻 1371) 在春天與夏天迴游南方與向北的冬天時.(參考文獻 1371) 生鮮使用，冷凍與用於魚粉.(參考文獻 1371)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東南太平洋與西南大西洋: 外海的智利南部與阿根廷。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
漁業: 高經濟性
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基於模型的估計
首選溫度 (參考文獻
123201): 4.5 - 9.7, mean 6.5 °C (based on 311 cells).
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00227 - 0.00732), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (參考文獻
69278): 3.8 ±0.55 se; based on food items.
回復力 (參考文獻
120179): 低的, 最小族群倍增時間4.5 - 14 年 (K=0.09-0.1).
Prior r = 0.28, 95% CL = 0.18 - 0.42, Based on 1 data-limited stock assessment.
釣魚的脆弱性 (Ref.
59153): Moderate vulnerability (41 of 100).
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氣候脆弱性 (Ref.
125649): High to very high vulnerability (69 of 100).
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營養素 (Ref.
124155): Calcium = 35.8 [16.1, 79.9] mg/100g; Iron = 0.788 [0.361, 1.658] mg/100g; Protein = 17.5 [15.2, 19.7] %; Omega3 = 0.189 [0.091, 0.377] g/100g; Selenium = 60.1 [27.6, 133.1] μg/100g; VitaminA = 12.4 [3.5, 43.2] μg/100g; Zinc = 0.502 [0.326, 0.773] mg/100g (wet weight); based on
nutrient studies.
