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); herklotsi: In honor of British botanist-ornithologist Geoffrey Alton Craig Herklots (1902-1986), University of Hong Kong, “with many fond memories of the China Sea and Java” (See ETYFish).
Eponymy: Dr Geoffrey Alton Craig Herklots (1902–1986) was a British biologist, botanist and ornithologist at the University of Hong Kong (1928–1941). [...] (Ref. 128868), visit book page.
More on author: Fowler.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 533 - 864 m (Ref. 39445). 深水域; 36°N - 8°N
Western Pacific: Japan, the Philippines, East and South China seas, and the Kyushu-Palau Ridge.
西太平洋: 日本，菲律賓，東南中國海, 與九州-帛琉海脊。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 48.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 11146)
背棘 (總數) : 0; 臀棘: 0. Brownish without conspicuous markings (Ref. 244).
褐色的沒有顯著的斑紋.(參考文獻 244)
A poorly known deep-water bottom shark (Ref. 11146). Oviparous (Ref. 50449).
一種少為人知的深水域底棲鯊魚.(參考文獻 11146) 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, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).西太平洋: 日本，菲律賓，東南中國海, 與九州-帛琉海脊。
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: Version 2024-2)
無危 (LC) ; Date assessed: 29 April 2020
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 6.3 - 10.6, mean 7.4 °C (based on 40 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 (0.00175 - 0.00721), 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 (Ref.
69278): 3.9 ±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): Moderate vulnerability (39 of 100).
