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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). Eponymy: Named after the Royal Indian Marine Survey vessel Investigator, which made collections of marine fauna in the period 1884–1926. (Ref. 128868), visit book page.
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
成熟度: 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.
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)
系統發育多樣性指數 (參考文獻 82804): PD50 = 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).
營養階層 (參考文獻 69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
回復力 (參考文獻 120179): 非常低的, 最小族群倍增時間超過14 年 (Fec assumed to be <10).
釣魚的脆弱性 (Ref. 59153): Low vulnerability (16 of 100). 🛈