Trachyrincus villegai, Grey grenadier : fisheries

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Trachyrincus villegai Pequeño, 1971

Grey grenadier
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Trachyrincus villegai   AquaMaps   Data sources: GBIF OBIS
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Image of Trachyrincus villegai (Grey grenadier)
Trachyrincus villegai
Picture by FAO

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Gadiformes (Cods) > Trachyrincidae (Armoured grenadiers)
Etymology: Trachyrincus: Greek, trachys, -eia, -ys = rough + Greek, rhyngchos = snout (Ref. 45335).

Environment: milieu / climate zone / depth range / 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)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

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

Maturity: Lm ?  range ? - ? cm
Max length : 44.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 1371)

简单描述 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.
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。

生物学特性     字汇 (例如 epibenthic)


Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

東南太平洋: 到智利中部的祕魯北部。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

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)

  不评价 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 低经济
FAO - Publication: search | FishSource |

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特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 123201): 1.9 - 4.4, mean 2.4 °C (based on 38 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00121 - 0.00790), 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 (Ref. 69278):  3.5   ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref. 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).
价格分类 (Ref. 80766):   Medium.