分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus) (See ETYFish); brunneus: Medieval Latin for brown, referring to its “uniform warm brown” color above and below (See ETYFish).
More on author: Gilbert.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 居于水底的; 海洋洄游的 (Ref. 138310); 深度上下限 33 - 1306 m (Ref. 96339). 亞熱帶的; 60°N - 39°S, 138°W - 70°W (Ref. 56871)
Eastern Pacific: British Columbia, Canada to northern Baja California, Mexico. Probably south to Panama, Ecuador, and Peru.
東太平洋: 到墨西哥的下加利福尼亞北部的加拿大卑詩省。 可能南至巴拿馬，厄瓜多與祕魯。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 69.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 96339)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 臀棘: 0. Dark brown, with conspicuous light posterior margin on fins (Ref. 247).
Body shape (shape guide): elongated.
深褐色的, 在鳍上有明显的发亮后缘.(参考文献 247)
Adults inhabit the outer continental shelf and upper slope (Ref. 244). Found over muddy or sandy bottoms (Ref. 27436). They feed on small true shrimps, euphausiid shrimps, squids, and small fishes (Ref. 244). Oviparous (Ref. 50449).
栖息于大陆架外缘与上层斜坡。 (参考文献 244) 发现在泥质或砂质底部上了。 (参考文献 27436) 吃小的真实虾，磷虾，乌贼与小鱼。 (参考文献 244) 卵生的.(参考文献 50449)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Oviparous, with a single egg per oviduct (Ref. 244). Eggs are enclosed in oblong transparent cases with tendrils at each end (Ref. 6885). Embryos feed solely on yolk (Ref. 50449). In Canada, females carry egg cases from February to August (Ref. 244).東太平洋: 到墨西哥的下加利福尼亞北部的加拿大卑詩省。 可能南至巴拿馬，厄瓜多與祕魯。
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
工具
特别资料
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网络资源
基于模型的估算
首选温度 (参考文献
123201): 5.6 - 9, mean 6.9 °C (based on 52 cells).
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00172 - 0.00698), b=3.08 (2.90 - 3.26), 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): 3.6 ±0.0 se; based on diet studies.
回复力 (参考文献
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec assumed to be <10).
渔业脆弱性 (Ref.
59153): Moderate to high vulnerability (48 of 100).
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