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); eastmani: Patronym not identified, probably in honor of American geologist and paleontologist Charles Rochester Eastman (1868-1918), a specialist in fossil fishes (See ETYFish).
Eponymy: Dr Charles Rochester Eastman (1868–1918) was an American palaeontologist, particularly interested in fossil fish. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Snyder.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 深海底的. 深水域; 34°N -
Northwestern Pacific: Japan to Taiwan (Ref. 127969). Possibly Vietnam and Malaysia.
西太平洋: 日本外與東中國海; 可能地越南.(參考文獻 11146) 在 MUSORSTOM 1980 年十一月巡航的時候在菲律賓記錄。
Length at first maturity / 大小 / 重量 / 年齡
成熟度: Lm 36.5, range 36 - 37 cm
Max length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 11146)
背棘 (總數) : 0; 臀棘: 0. Obscure saddle markings on body and precaudal tail, and with dark markings on the terminal and hypural caudal-fin lobes (Ref. 11146).
Body shape (shape guide): elongated.
在身體與肛前尾上使鞍狀斑紋陰暗, 而且在末端與尾下的尾鰭葉上有深色斑紋。 (參考文獻 11146)
A little-known, but very common shark, found in deep water near the bottom (Ref. 11146). Maximum length of at least 40 cm TL, probably reaching 50 cm (Ref. 11146).
所知極少的, 但是非常普遍鯊魚, 發現於在底部附近的深水域了.(參考文獻 11146) 至少的最大長度 40 公分TL, 可能達到 50 公分.(參考文獻 11146)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, with a single egg laid per oviduct (Ref. 244). Embryos feed solely on yolk (Ref. 50449).西太平洋: 日本外與東中國海; 可能地越南.(參考文獻 11146) 在 MUSORSTOM 1980 年十一月巡航的時候在菲律賓記錄。
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 2025-1)
無危 (LC) ; Date assessed: 29 August 2019
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (參考文獻
123201): 2.6 - 5.8, mean 3.8 °C (based on 706 cells).
Phylogenetic diversity index (參考文獻
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 (參考文獻
69278): 3.9 ±0.2 se; based on diet studies.
回復力 (參考文獻
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
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Nutrients (Ref.
124155): Calcium = 11.3 [2.0, 74.3] mg/100g; Iron = 0.364 [0.077, 1.246] mg/100g; Protein = 16.8 [13.6, 19.9] %; Omega3 = 0.214 [0.087, 0.521] g/100g; Selenium = 6.88 [2.12, 20.95] μg/100g; VitaminA = 21.6 [4.6, 104.1] μg/100g; Zinc = 0.449 [0.208, 0.865] mg/100g (wet weight);
