分类 / Names
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Teleostei >
Gadiformes (Cods) >
Gadidae (Cods and haddocks)
Etymology: Micromesistius: Greek, mikros = small + greek, mesos = middle + Greek, istion = sail (Ref. 45335).
More on author: Risso.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海区的; 海洋洄游的 (Ref. 51243); 深度上下限 150 - 3000 m (Ref. 3663), usually 300 - 400 m. 溫帶; 79°N - 26°N, 82°W - 51°E (Ref. 1371)
Northeast Atlantic: Barents Sea south through the eastern Norwegian Sea, around Iceland, then in the western Mediterranean, and south along the African coast to Cape Bojador. Northwest Atlantic: southern Greenland and off southeast Canada and the northeastern coast of the USA.
東北大西洋: 巴倫支海南至挪威的海洋東部, 冰島的周圍, 然後在地中海西部, 而且向南延伸非洲岸邊到勃查多爾角。 西北大西洋: 格陵蘭南部與外海的加拿大東南部與美國的東北方海岸。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 15.0 range ? - ? cm
Max length : 55.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 106276); common length : 22.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 1371); 最大体重: 830.00 g (Ref. 40637); 最大年龄: 20 年 (Ref. 1371)
背棘 (总数) : 0; 背的软条 (总数) : 24 - 28; 臀鳍软条: 33 - 39. Dorsal fins widely spaced, interspace between second and third fins longer than base length of first dorsal fin. Lateral line continuous over whole body. Color is blue-gray dorsally, grading to white ventrally. Sometimes with a small black blotch at the base of the pectoral fin.
背鳍分开很远, 在第二个与第三个鳍第一背鳍的长度超过基底长度之间的间隔。 侧线连续的全身之上。 色彩是蓝灰色的背面, 渐层色到腹侧白色的。 在胸鳍的基底有时有一个小的黑色斑块。
Found over the continental slope and shelf to more than 1000 m, but more common at 300-400 m. Feeds mostly on small crustaceans but large individuals also prey on small fish and cephalopods. Makes daily vertical migrations: surface waters at night and near the bottom during the day. Sold fresh and frozen, and also processed as oil and fishmeal (Ref. 1371).
发现在大陆斜坡与大陆架到上了超过 1000 公尺, 但是更普遍于的 300-400 公尺。 大部份捕食小型甲壳动物，但是大的个体也捕食小鱼与头足类动物。 制造每日的垂直性回游: 水表面在晚上与在底部的附近在白天期间。 生鲜贩卖了与冷冻, 以及处理如油与鱼粉.(参考文献 1371)
Oviparous and gonochorous (Ref. 205).東北大西洋: 巴倫支海南至挪威的海洋東部, 冰島的周圍, 然後在地中海西部, 而且向南延伸非洲岸邊到勃查多爾角。 西北大西洋: 格陵蘭南部與外海的加拿大東南部與美國的東北方海岸。
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)
人类利用
渔业: 高经济性
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Estimates based on models
Preferred temperature (Ref.
123201): 3.1 - 13.9, mean 7 °C (based on 157 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00343 - 0.00507), b=3.12 (3.06 - 3.18), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 4.1 ±0.3 se; based on diet studies.
Generation time: 4.8 (3.1 - 5.0) years. Estimated as median ln(3)/K based on 15
growth studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.18-0.22; tm=1-5; tmax=20; Fec=6000).
Prior r = 0.47, 95% CL = 0.31 - 0.70, Based on 9 full stock assessments.
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).
Climate Vulnerability (Ref.
125649): Low vulnerability (18 of 100).
Nutrients (Ref.
124155): Calcium = 59.8 [18.9, 176.3] mg/100g; Iron = 0.423 [0.151, 1.166] mg/100g; Protein = 17.6 [15.2, 20.1] %; Omega3 = 0.249 [0.113, 0.554] g/100g; Selenium = 8.99 [2.88, 24.62] μg/100g; VitaminA = 33.2 [3.4, 311.2] μg/100g; Zinc = 0.712 [0.380, 1.580] mg/100g (wet weight); based on
nutrient studies.
