分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gadiformes (Cods) >
Trachyrincidae (Armoured grenadiers)
Etymology: Trachyrincus: Greek, trachys, -eia, -ys = rough + Greek, rhyngchos = snout (Ref. 45335).
Eponymy: Luis Villegas was a marine biologist at the Department of Fisheries, University of Valparaiso, Peru. (Ref. 128868), visit book page.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
海洋 深海底的; 非迁移的; 深度上下限 250 - 980 m (Ref. 1371). 深水域; 5°S - 30°S, 85°W - 70°W (Ref. 1371)
Southeast Pacific: northern Peru to central Chile.
東南太平洋: 到智利中部的祕魯北部。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 44.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 1371)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 臀棘: 0. Snout long, sharply pointed, broad in juveniles becoming narrower and relatively long in adults. Scute-like scales bluntly pointed and denticulate; scales deeply embedded and covered with thick skin, the margins obscure. Row of enlarged scute-like scales along the base of the anal fin does not extend forward of anus. Overall color is grayish.
Body shape (shape guide): elongated; Cross section: oval.
吻长的，非常尖的，和宽的在变得比较狭窄的稚鱼中与相当长的当成鱼时。 像鳞甲一样的鳞片顿尖而有小齿的; 鳞片深深地深入的而且覆盖着厚的皮肤了,边缘阴暗。 增大像鳞甲一样的鳞片的列沿着臀鳍的基底不延伸到肛门向前。 整体的色彩是浅灰色的。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
東南太平洋: 到智利中部的祕魯北部。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
人类利用
渔业: 低经济
工具
特别资料
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网络资源
Estimates based on models
Preferred temperature (参考文献
123201): 1.9 - 4.4, mean 2.4 °C (based on 38 cells).
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5176 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00119 - 0.00804), b=3.12 (2.90 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
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