Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gadiformes (Cods) >
Macrouridae (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
生态学
海洋 底中水层性; 非迁移的; 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 / 年龄
Maturity: Lm 4.5, range 4 - ? cm
Max length : 36.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3587); common length : 25.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2683); 最大年龄: 9 年 (Ref. 58045)
背棘 (总数) : 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.
头部短, 鳞片覆盖完整在吻部的腹面上除了裸露的长条; 眼相当大的,29 到 42% 头长; 吻短, 尖的; 下巴触须非常短的。 身体鳞片有矛尖形的遮蔽-形状的小刺。 整体的色彩是蓝色的对紫罗兰色, 头部略微黄褐色的到黑黝黝的; 腹面银色的新鲜时; 腹鳍黑色除了最外的鳍条以外是灰白的到白色; 口腔浅灰色的; 鳃室大部份黑色。
Feeds on benthic as well as pelagic animals like mysids, amphipods, small shrimps, copepods, isopods, ostracods and polychaete worms (Ref. 6187).
吃底栖性以及大洋性像糠虾的动物，片脚类动物，小的虾，桡脚类的动物，等足目动物, 介形虫与多毛类的蠕虫.(参考文献 6187)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
CITES (Ref. 128078)
Not Evaluated
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
115969): 4.7 - 15.7, mean 9.3 (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).
营养阶层 (Ref.
69278): 3.3 ±0.1 se; based on diet studies.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
