Leptocharias smithii, Barbeled houndshark : fisheries

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Leptocharias smithii (Müller & Henle, 1839)

Barbeled houndshark
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Leptocharias smithii   AquaMaps   Data sources: GBIF OBIS
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Image of Leptocharias smithii (Barbeled houndshark)
Leptocharias smithii
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Carcharhiniformes (Ground sharks) > Leptochariidae (Barbeled houndsharks)
Etymology: Leptocharias: Etymology not explained, perhaps leptos (Gr.), slender; [Car]charias, i.e., a slender shark “very nearly related to Carcharias”. (See ETYFish);  smithii: In honor of Andrew Smith (1797-1872), Scottish military physician, explorer, ethnologist and zoologist, who collected many South African sharks and coined many of the shark names later used by Müller and Henle. (See ETYFish).
More on authors: Müller & Henle.

Environment: milieu / climate zone / depth range / distribution range 生态学

海洋; 半咸淡水 居于水底的; 深度上下限 10 - 75 m (Ref. 244), usually 10 - 60 m (Ref. 5377). 熱帶; 20°C - 27°C; 22°N - 23°S, 26°W - 17°E

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Eastern Atlantic: Mauritania to Namibia (Ref. 127434).
東大西洋: 茅利塔尼亞到那米比亞。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 77.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244); 82.0 cm TL (female); common length : 55.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 26999)

简单描述 型态特徵 | 形态测量图

Similar to species of Mustelus but nostrils with anterior flaps formed into distinct barbels (Ref. 5485).
类似 Mustelus 的种但是鼻孔有进入明显的触须之内被形成的前盖.(参考文献 5485)

生物学特性     字汇 (例如 epibenthic)

Found on the continental shelf, especially abundant off river mouths on muddy bottoms. Salinity: 35-36 ppt. Oxygen: 3-4 ppm. Feeds on small bottom and littoral organisms like crustaceans, bony fishes, octopi and sponges. Viviparous (Ref. 50449), with 7 young in a litter (Ref. 244). Dental sexual dimorphism is manifested by males having greatly enlarged anterior teeth. Utilized fresh, smoked or dried salted for human consumption, skin for leather.

栖息于大陆棚,尤其丰富的河口外的沙泥底上了。 盐度: 35-36个 ppt。 氧: 3-4个 ppm。 吃小的底部与海滨的生物例如甲壳动物,硬骨鱼类,章鱼与海绵。 胎生的 (参考文献 50449), 7 幼鱼在一胎.(参考文献 244) 牙齿的性同种二形是由雄性显示,有明显增大前面的齿。 生鲜使用, 烟熏了或干燥盐腌供人类消费,皮肤用做皮革。

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Viviparous, placental (Ref. 50449), with 7 young in a litter (Ref. 244). Distinct pairing with embrace (Ref. 205).東大西洋: 茅利塔尼亞到那米比亞。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

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)

世界自然保护联盟红皮书 (Ref. 130435)

  次级保育类动物, 见 IUCN 红皮书 (VU) (A2d); Date assessed: 04 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 低经济
FAO - Publication: search | FishSource | 周边海洋

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特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 123201): 19.2 - 28, mean 26 °C (based on 116 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.8   ±0.49 se; based on food items.
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Fec=7).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (53 of 100).
价格分类 (Ref. 80766):   Unknown.