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) > Triakinae
Etymology: Mustelus: Latin for weasel, an ancient name for sharks, possibly referring to the pointed snouts, swift movements and/or rapacious feeding behavior of smaller predatory sharks [strictly not tautonymous with Squalus mustelus Linnaeus 1758 since type was designated by the ICZN]. (See ETYFish); schmitti: In honor of American biologist Waldo L. Schmitt (1887-1977), curator of marine invertebrates at the U.S. National Museum, who collected holotype. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 海洋洄游的 (Ref. 51243); 深度上下限 60 - 195 m (Ref. 27770). 亞熱帶的; 28°S - 45°S, 66°W - 46°W (Ref. 244)
Southwest Atlantic: southern Brazil to northern Argentina.
西南大西洋: 巴西南部到阿根廷北部。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 58.3, range 55 - 62 cm
Max length : 92.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 57911); common length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 6077)
Found on the continental shelf. Feeds on crabs and probably other crustaceans, and presumably small fishes. Ovoviviparous (aplacental) with 2 to 7 pups per litter. Size at birth 26 cm. Utilized for human consumption.
棲息於大陸棚了。 吃螃蟹與可能其他的甲殼動物, 與可能小魚。 卵胎生的 (無胎盤的) 有兩個到 7個幼胎每胎。 出生時的大小 26 公分。 供人類食用。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace (Ref. 205).西南大西洋: 巴西南部到阿根廷北部。
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)
極危 (CR) (A2bd); Date assessed: 01 July 2019
人類使用
漁業: 高經濟性
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Estimates based on models
Preferred temperature (Ref.
123201): 4.5 - 14.2, mean 7.9 °C (based on 118 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00165 - 0.00399), b=3.10 (2.97 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.3 se; based on diet studies.
Generation time: 4.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Fec=2-3).
Fishing Vulnerability (Ref.
59153): High vulnerability (58 of 100).
Climate Vulnerability (Ref.
125649): Very high vulnerability (87 of 100).
Nutrients (Ref.
124155): Calcium = 22.3 [6.0, 110.4] mg/100g; Iron = 0.517 [0.160, 1.927] mg/100g; Protein = 21.7 [19.4, 24.0] %; Omega3 = 0.143 [0.059, 0.338] g/100g; Selenium = 38.2 [11.0, 135.0] μg/100g; VitaminA = 7.36 [2.55, 20.30] μg/100g; Zinc = 0.638 [0.282, 1.271] mg/100g (wet weight);
