分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 深海底的; 非遷移的; 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 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 44.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 1371)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 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.
吻長的﹐非常尖的﹐和寬的在變得比較狹窄的稚魚中與相當長的當成魚時。 像鱗甲一樣的鱗片頓尖而有小齒的; 鱗片深深地深入的而且覆蓋著厚的皮膚了,邊緣陰暗。 增大像鱗甲一樣的鱗片的列沿著臀鰭的基底不延伸到肛門向前。 整體的色彩是淺灰色的。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
漁業: 低經濟
工具
特別的報告
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5176 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00316 (0.00122 - 0.00820), b=3.13 (2.90 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.5 ±0.4 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Low to moderate vulnerability (35 of 100). 🛈 |
價格種類 (Ref. 80766) |
Medium.
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