分类 / Names
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Teleostei >
Gadiformes (Cods) >
Gadidae (Cods and haddocks)
Etymology: Microgadus: Greek, mikros = samll + Latin, gadus = a fish, cod? (Ref. 45335); tomcod: Not available. See CoF (Eschmeyer, April 2006, Ref. 56787)..
More on author: Walbaum.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水 居于水底的; 溯河洄游 (Ref. 26213); 深度上下限 0 - 69 m (Ref. 57178). 溫帶; 54°N - 36°N, 76°W - 56°W (Ref. 86798)
Northwest Atlantic: southern Labrador in Canada to Virginia in USA.
西北大西洋: 在美國的加拿大到維吉尼亞的拉布拉多南部。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 38.1 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5951)
背棘 (总数): 0; 臀棘 0. Body elongated; head small; eyes relatively small. Pelvic fins with a slightly elongated filament. Olive green brown or yellow dorsally, paler ventrally; with dark mottling on sides and fins.
身体延长; 头部小的; 眼相当小的。 腹鳍有一个些微瘦长的丝状突起。 橄榄绿色的褐色或黄色背面, 腹侧灰白的; 有深色的侧边与鳍上杂斑。
Found in coastal, brackish and fresh water, landlocked in several lakes. Feeds mostly on small crustaceans, (especially shrimps and amphipods); also worms, small mollusks, squids and fishes (smelt, sticklebacks, striped bass, alewives, shed, herring and sculpins (Ref. 5951)) (Ref. 1371).
发现于了海岸的, 半咸淡水与淡水, 陆封的在一些湖中。 大部份捕食小型甲壳动物,;(尤其虾与片脚类动物) 也吃蠕虫, 小的软件动物，乌贼与鱼苗。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous, sexes are separate (Ref. 205).西北大西洋: 在美國的加拿大到維吉尼亞的拉布拉多南部。
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: 低经济; 游钓鱼种: 是的
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Estimates based on models
Preferred temperature (Ref.
123201): 2.7 - 12.6, mean 6.4 °C (based on 144 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00186 - 0.00854), b=3.13 (2.94 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.50 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Assuming tm=2-4).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (75 of 100).
Nutrients (Ref.
124155): Calcium = 48 [26, 98] mg/100g; Iron = 0.354 [0.195, 0.622] mg/100g; Protein = 17.7 [16.4, 19.1] %; Omega3 = 0.414 [0.202, 0.847] g/100g; Selenium = 11.7 [5.8, 26.8] μg/100g; VitaminA = 13.4 [3.7, 47.0] μg/100g; Zinc = 0.656 [0.458, 0.956] mg/100g (wet weight);
