分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Hemigaleidae (Weasel sharks)
Etymology: Hemigaleus: hemi-, from hemisys (Gr.), half, referring to similarity to and/or close affinity with Galeus (now in Pentanchidae). (See ETYFish); microstoma: micro-, from mikros (Gr.), small; stoma (Gr.), mouth, referring to very short arched mouth compared with Chaenogaleus macrostoma, its presumed congener at the time. (See ETYFish).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的. 热带; 22°C - 28°C (Ref. 244); 28°N - 30°S
Indo-West Pacific: southern India and Sri Lanka; China to Indonesia (Ref. 56150). Also from Red Sea (Ref. 93009).
Specimens found in Australia (and probably Papua New Guinea) belong to a separate species, Hemigaleus australiensis (Ref. 56150).
印度-西太平洋: 印度南部与斯里兰卡; 中国到印度尼西亚。 最近的研究确认了那些发现于了 , 澳洲 (与可能巴布亚新几内亚) 是一个个别的种， Hemigaleus australiensis 。 (参考文献 56150)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 78 - ? cm
Max length : 114 cm TL 雄鱼/尚未辨别雌雄; (Ref. 58048)
背棘 (总数): 0; 背的软条 (总数): 0; 臀棘 0; 臀鳍软条: 0. Australian specimens with dark-tipped fins; tooth counts 28-34/43-54; total vertebral counts 111 to 118 (Ref. 13567). Indonesian, Singapore and Thailand specimens with light-tipped fins; tooth counts 25-32/37-43; total vertebral counts 137 to 150 (Ref. 13567). Grey-brown above, lighter below, dorsal fins with white tips and posterior margins, sometimes with spots on sides of body (Ref. 13567).
用尖端深色的鳍澳大利亚的标本; 牙齿数 28-34/43-54; 总脊椎骨数 111 到 118.(参考文献 13567) 印度尼西亚, 新加坡与泰国标本有淡色的-顶端了鳍; 牙齿数 25-32/37-43; 总脊椎骨数 137 到 150.(参考文献 13567) 背面灰褐色的，腹面颜色较淡, 背鳍具有白色的顶端与后缘, 在身体侧边上有时有斑点.(参考文献 13567)
A small, relatively common inshore and offshore shark of tropical continental seas (Ref. 13567). Feeds mainly on cephalopods, particularly octopi (Ref. 13567) but also takes crustaceans and cephalopods (Ref. 244). Viviparous (Ref. 50449). Taken regularly in inshore artisanal fisheries (Ref.244), commonly caught by inshore gillnet, bottom trawl and, to a lesser extent, longline fisheries. Utilized for human consumption (Ref. 244). Offal used for fishmeal (Ref. 244).
一种小的, 热带大陆的海洋相当普遍岸边与外海鲨鱼.(参考文献 13567) 主要吃头足类动物, 特别地章鱼 (参考文献 13567) 也捕食甲壳动物与头足类动物。 (参考文献 244) 胎生的.(参考文献 50449) 在近海渔民中经常被捕获并且供人类消费使用。 (参考文献 244) 碎肉制成鱼浆.(参考文献 244)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Viviparous, with a yolk-sac placenta; 4 to 14 fetuses in a litter (Ref. 13567); 2-4 pups after a gestation period of about 6 months; born at about 45-47 cm TL (Ref. 58048). Size of full-term fetuses (detached umbilical cords and placentae) ranges from 23.7 to 25.6 cm (Ref. 244). Distinct pairing with embrace (Ref. 205).印度-西太平洋: 印度南部与斯里兰卡; 中国到印度尼西亚。 最近的研究确认了那些发现于了 , 澳洲 (与可能巴布亚新几内亚) 是一个个别的种， Hemigaleus australiensis 。 (参考文献 56150)
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)
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
123201): 22.2 - 28.3, mean 27 °C (based on 816 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7539 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00140 - 0.00781), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 4.2 ±0.4 se; based on diet studies.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec=4).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (68 of 100).
Nutrients (Ref.
124155): Calcium = 27.9 [4.5, 154.3] mg/100g; Iron = 0.693 [0.182, 2.119] mg/100g; Protein = 19 [17, 21] %; Omega3 = 0.114 [0.048, 0.271] g/100g; Selenium = 54.1 [16.0, 167.0] μg/100g; VitaminA = 22.3 [7.2, 70.4] μg/100g; Zinc = 0.769 [0.374, 1.395] mg/100g (wet weight);
