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); spongiceps: spongia (L.), sponge; ceps (New Latin), head, referring to its soft and spongy snout (See ETYFish).
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 572 - 1482 m (Ref. 11146). 深水域; 21°N - 8°S
Pacific Ocean: Banda Sea off southern Sulawesi and the Hawaiian Islands.
太平洋: 班達海外海的 Sulawesi南部與夏威夷群島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 臀棘: 0. Dark brown, without conspicuous markings on fins (Ref. 244).
深褐色的, 沒有顯著的斑紋在鰭上.(參考文獻 244)
A rare shark known only from two specimens taken on the insular slopes, on or near the bottom (Ref. 244). Benthic (Ref. 58302). Oviparous (Ref. 50449).
一隻稀有的鯊魚已知只來自採自島的斜坡二件標本., 在底部上面或附近。 (參考文獻 244) 底棲的.(參考文獻 58302) 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).太平洋: 班達海外海的 Sulawesi南部與夏威夷群島。
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)
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 (0.00175 - 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 (40 of 100).
