分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (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
生態学
海 深海魚; 深さの範囲 533 - 864 m (Ref. 39445). Deep-water; 36°N - 8°N
Western Pacific: Japan, the Philippines, East and South China seas, and the Kyushu-Palau Ridge.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 48.5 cm TL オス/雌雄の選別がない; (Ref. 11146)
背面の脊椎 (合計) : 0; 肛門の骨: 0. Brownish without conspicuous markings (Ref. 244).
A poorly known deep-water bottom shark (Ref. 11146). Oviparous (Ref. 50449).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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のレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
水産業: 少数商業の
用具
特記事項
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インターネットの情報源
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).
栄養段階 (Ref.
69278): 3.9 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 非常に低い, １４年以上の倍増期間の最小個体群 (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
