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: Galeus: galeos, a small shark or dogfish according to Aristotle and others (See ETYFish); longirostris: longus (L.), long; rostris, from rostrum (L.), snout, referring to its “considerably longer” snout compared with congeners known at the time (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 440 - 520 m (Ref. 58018). 深水域
Northwest Pacific: Amami-oshima, the Ogasawara and Izu islands.
西北太平洋: Amami-oshima, 小笠原群島與伊豆島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 80.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 12694)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西北太平洋: Amami-oshima, 小笠原群島與伊豆島。
Tachikawa, H. and T. Taniuchi, 1987. Galeus longirostris, a new species of the sawtail catshark from Japan. Jap. J. Ichthyol. 33(4):352-359. (Ref. 12694)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 30 August 2019
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Estimates based on models
Preferred temperature (Ref.
123201): 2.7 - 7.3, mean 4.6 °C (based on 103 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): 4.1 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
