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); investigatoris: -is, Latin genitive singular of: HMS Investigator station in Andaman Sea, where holotype was collected. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 ? - 1041 m (Ref. 58018). 深水域; 16°N - 10°N
Eastern Indian Ocean: known only from the type locality, the Andaman Sea. Reported from India (Ref. 45255).
東印度洋: 已知只來自模式標本產地,安達曼海了。 記錄來自印度了。 (參考文獻 45255)
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 26.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244)
Known only from the holotype. Maximum length presumably comes from an immature specimen. Oviparous (Ref. 50449). Not utilized at present.
所知僅來自正模標本。 最大的長度可能來自一件不成熟的標本。 卵生的.(參考文獻 50449) 目前未被人類利用。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).東印度洋: 已知只來自模式標本產地,安達曼海了。 記錄來自印度了。 (參考文獻 45255)
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)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 19 November 2019
人類使用
漁業: 沒有興趣
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Estimates based on models
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): 3.7 ±0.4 se; based on size and trophs of closest relatives
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): Low vulnerability (16 of 100).