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); albisoma: albus (L.), white; soma (Gr.), body, referring to its whitish color (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 935 - 1564 m (Ref. 36058). 深水域
Western Pacific: southern waters off New Caledonia, slopes of the seamounts of the Norfolk and Lord Howe ridges.
西太平洋: 南方的水域外海的新加勒多尼亞, 諾福克的海洋山脊與羅得豪島脊的斜坡。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 59.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 36058); 56.6 cm TL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Body whitish. Eyes small; interobital region 2.7 - 3.6 times eye diameter. Supraorbital sensory canal continuous. Second dorsal fin axil before anal fin axil. Upper labial furrows equal or shorter than lower furrows. Tricuspid dermal denticles overlapping. Spiral valves 6-10.
身體微白色的。 眼小的; interobital 區域 2.7- 3.6 倍眼直徑。 眶上的知覺管連續。 臀鰭葉腋前的第二背鰭鰭葉腋。 上面的唇溝等於或短於低的犁溝。 三個尖頭的表皮細齒部分重疊的。 螺旋形的瓣膜 6-10.
Sexual maturity attained between 40 and 50 cm TL (Ref. 36058). Oviparous (Ref. 50449).
性成熟在 40 與 50 公分TL 之間達到了。 (參考文獻 36058) 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: 南方的水域外海的新加勒多尼亞, 諾福克的海洋山脊與羅得豪島脊的斜坡。
Nakaya, K. and B. Séret, 1999. A new species of deepwater catshark, Apristurus albisoma n.sp. from New Caledonia (Chondrichthyes: Carcharhiniformes: Scyliorhinidae). Cybium 23(3):297-310. (Ref. 36058)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 14 June 2015
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Estimates based on models
Preferred temperature (Ref.
123201): 3 - 4.5, mean 3.9 °C (based on 108 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 (44 of 100).
