分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gadiformes (Cods)
鱈形目 (Cods) >
Macrouridae (Grenadiers or rattails)
鼠尾鱈科 (Grenadiers or rattails)
Etymology: Nezumia: A Japanese word that means "mouse" .
More on author: Günther.
Issue
This species is often confused with Nezumia sclerorhynchus (Valenciennes, 1838).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 非遷移的; 深度上下限 200 - 2320 m (Ref. 3587), usually 200 - 1000 m (Ref. 2683). 深水域; 70°N - 12°S, 98°W - 30°E (Ref. 1371)
Atlantic Ocean: Eastern Atlantic: Faroe Bank to northern Angola and the Mediterranean Sea. Western Atlantic: Davis Straits to northern Brazil.
東大西洋: 法蘭群島岸堤到安哥拉北部與地中海。 西大西洋: 戴維斯海峽到巴西北部。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 4.5, range 4 - ? cm
Max length : 36.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3587); common length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2683); 最大年齡: 9 年 (Ref. 58045)
背棘 (總數) : 2; 臀棘: 0. Head short, completely scaled except for naked strip on the ventral surface of the snout; Eyes relatively large, 29 to 42% of head length; snout short, pointed; chin barbel very short. Body scales with lanceolate to shield-shaped spinules. Overall color is bluish to violet, head somewhat tawny to swarthy; ventral portions silvery when fresh; pelvic fins black except outermost ray which is pale to white; oral cavity grayish; branchial cavity mostly black.
頭部短, 鱗片覆蓋完整在吻部的腹面上除了裸露的長條; 眼相當大的,29 到 42% 頭長; 吻短, 尖的; 下巴觸鬚非常短的。 身體鱗片有矛尖形的遮蔽-形狀的小刺。 整體的色彩是藍色的對紫羅蘭色, 頭部略微黃褐色的到黑黝黝的; 腹面銀色的新鮮時; 腹鰭黑色除了最外的鰭條以外是灰白的到白色; 口腔淺灰色的; 鰓室大部份黑色。
Feeds on benthic as well as pelagic animals like mysids, amphipods, small shrimps, copepods, isopods, ostracods and polychaete worms (Ref. 6187).
吃底棲性以及大洋性像糠蝦的動物，片腳類動物，小的蝦，橈腳類的動物，等足目動物, 介形蟲與多毛類的蠕蟲.(參考文獻 6187)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
東大西洋: 法蘭群島岸堤到安哥拉北部與地中海。 西大西洋: 戴維斯海峽到巴西北部。
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)
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 4.7 - 15.7, mean 9.3 °C (based on 786 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00182 (0.00111 - 0.00298), b=3.12 (2.97 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.1 se; based on diet studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
Nutrients (Ref.
124155): Calcium = 21.3 [10.3, 49.2] mg/100g; Iron = 0.34 [0.16, 0.70] mg/100g; Protein = 15.9 [14.1, 17.5] %; Omega3 = 0.248 [0.102, 0.566] g/100g; Selenium = 26.9 [9.5, 68.2] μg/100g; VitaminA = 16.6 [3.0, 84.1] μg/100g; Zinc = 0.505 [0.312, 0.823] mg/100g (wet weight);
