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) >
Triakidae (Houndsharks)
平滑鮫 (Houndsharks) > Galeorhininae
Etymology: Hypogaleus: hypo (Gr.), less than, under or beneath, allusion not explained, perhaps alluding to its original position as a subgenus of Galeus. (See ETYFish); hyugaensis: -ensis, Latin suffix denoting place: Hyuga Nada, Japan, type locality. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 40 - 230 m (Ref. 244). 深水域; 37°N - 40°S
Indo-West Pacific: East Africa and the Persian Gulf to Taiwan and Japan. Reported from Australia (Ref. 6871).
印度-西太平洋: 東非與波斯灣到台灣與日本。 記錄來自澳洲了。 (參考文獻 6871)
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 95 - ? cm
Max length : 127 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 122.0 cm TL (female)
背棘 (總數) : 0; 臀棘: 0. Dull grey dorsally, paler below; front part of snout slightly dusky (Ref. 5485).
暗灰色的背面, 腹面灰白的; 吻的前端些微暗色.(參考文獻 5485)
Inhabits continental shelves (Ref. 244). Feeds on bony fishes and cephalopods (Ref. 6871). Viviparous (Ref. 50449). Utilized as a food fish (Ref. 244).
棲息於大陸棚。 (參考文獻 244) 吃硬骨魚類與頭足類動物。 (參考文獻 6871) 胎生的.(參考文獻 50449) 作為食用魚.(參考文獻 244)
Viviparous (with a yolk-sac placenta), with 10 or 11 young in a litter (Ref. 244). Size of full-term fetuses about 33 to 35 cm (Ref. 244). Gestation period is estimated at 15 months (Ref. 244). Distinct pairing with embrace (Ref. 205).印度-西太平洋: 東非與波斯灣到台灣與日本。 記錄來自澳洲了。 (參考文獻 6871)
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)
無危 (LC) ; Date assessed: 17 February 2015
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 19.9 - 27.7, mean 23.8 °C (based on 194 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00183 - 0.00992), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.7 se; based on diet studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec=10; gestation about 15 months).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (76 of 100).
