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)
真鯊目 (Ground sharks) >
Hemigaleidae (Weasel sharks)
沙條鮫科 (Weasel sharks)
Etymology: Paragaleus: para (Gr.), near, referring to how its dentition is intermediate between Hemigaleus and the triakid Eugaleus (=Galeorhinus). (See ETYFish); tengi: In honor of Teng Huo-Tu (1911-1978), Director, Taiwan Fisheries Research Institute, and authority on Taiwanese elasmobranch fishes. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的. 熱帶; 34°N - 15°N
Western Pacific: Japan to Viet Nam, including Hong Kong and Taiwan. Report of a record from off Madagascar may be an undescribed Paragaleus which has just recently been collected.
西太平洋: 日本到越南, 包括香港與台灣。 來自外海的馬達加斯加的記錄的報告可能是一個未描述的 Paragaleus 最近剛被採集到的。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 88.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244)
背棘 (總數): 0; 背的軟條 (總數): 0; 臀棘 0; 臀鰭軟條: 0. Grey or grey-brown above, light below; no prominent markings on body and fins (Ref. 13567).
背面灰色的或灰褐色, 腹面淺色的; 沒有突出的斑紋在身體與鰭上.(參考文獻 13567)
A little-known inshore shark (Ref. 13567). Viviparous (Ref. 50449). Taken in fisheries where it occurs (Ref. 13567).
所知極少的近海鯊魚.(參考文獻 13567) 胎生的.(參考文獻 50449) 採自了漁場在那裡它出現.(參考文獻 13567)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Viviparous, placental (Ref. 50449). Distinct pairing with embrace (Ref. 205).西太平洋: 日本到越南, 包括香港與台灣。 來自外海的馬達加斯加的記錄的報告可能是一個未描述的 Paragaleus 最近剛被採集到的。
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)
瀕危 (EN) (A2d); Date assessed: 06 May 2020
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 21.5 - 26.9, mean 24.7 °C (based on 164 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5664 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00147 - 0.00899), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.6 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 is assumed to be <10).
Fishing Vulnerability (Ref.
59153): High vulnerability (55 of 100).
Nutrients (Ref.
124155): Calcium = 33.9 [5.5, 192.1] mg/100g; Iron = 0.731 [0.184, 2.180] mg/100g; Protein = 19 [17, 21] %; Omega3 = 0.106 [0.043, 0.251] g/100g; Selenium = 37.8 [11.6, 121.9] μg/100g; VitaminA = 28.3 [8.8, 91.8] μg/100g; Zinc = 0.848 [0.399, 1.545] mg/100g (wet weight);
