分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (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.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 69.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 96339)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 0; 背的軟條 (總數): 0; 臀棘 0; 臀鰭軟條: 0. Dark brown, with conspicuous light posterior margin on fins (Ref. 247).
深褐色的, 在鰭上有明顯的發亮後緣.(參考文獻 247)
Inhabits the outer continental shelf and upper slope (Ref. 244). Found over muddy or sandy bottoms (Ref. 27436). Feeds on small true shrimps, euphausiid shrimps, squids, and small fishes (Ref. 244). Oviparous (Ref. 50449).
棲息於大陸棚外緣與上層斜坡。 (參考文獻 244) 發現在泥質或砂質底部上了。 (參考文獻 27436) 吃小的真實蝦，磷蝦，烏賊與小魚。 (參考文獻 244) 卵生的.(參考文獻 50449)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
人類使用
漁業: 沒有興趣
更多資訊
年龄/大小成長長度-重量長度-長度長度-頻率形態測量圖型態特徵仔魚稚魚動力學入添量豐度BRUVS
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Preferred temperature (Ref.
123201): 5.6 - 9, mean 6.9 °C (based on 52 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.0 se; based on diet studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (48 of 100).
