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); californicus: -icus (L.), belonging to: California, referring to its common occurrence along the coast of California (USA). (See ETYFish).
More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 0 - 200 m (Ref. 55308), usually 2 - 46 m (Ref. 55308). 亞熱帶的; 40°N - 23°N, 126°W - 109°W (Ref. 55308)
Eastern Pacific: northern California, USA to the Gulf of California. At the southern part of its range, this species is sympatric with Mustelus lunulatus, but the two are readily distinguishable.
東太平洋: 美國北加州到加州灣。 在它的分佈範圍的南部，這種與 Mustelus lunulatus 重疊分佈, 但是兩者可輕易地區別。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 78.1, range 85 - ? cm
Max length : 116 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 124.0 cm TL (female); 最大年齡: 9 年 (Ref. 6098)
A common inshore and offshore shark found on the continental shelves, and entering shallow muddy bays. Feeds mostly on crabs, including cancrids and grapsids, ghost shrimp, innkeeper (echiuroid) worms (Urechis), and small fish (herring and midshipmen, Porichthys). Viviparous (with a yolk-sac placenta), with 2 to 5 young in a litter. Utilized for human consumption.
一種常見的岸邊與外海的鯊魚發現於大陸棚了, 而且進入泥濘的淺水海灣。 大部份捕食螃蟹,包括 cancrids 與 grapsids ，鬼蝦, 小旅館主人 (echiuroid) 蠕蟲 ( Urechis), 與小魚.(鯡魚與 midshipmen, Porichthys) 胎生的 (具有一個卵黃囊胎盤), 有兩個到 5 幼魚在一胎。 供人類食用。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Viviparous with a yolk-sac placenta (Ref. 244).東太平洋: 美國北加州到加州灣。 在它的分佈範圍的南部，這種與 Mustelus lunulatus 重疊分佈, 但是兩者可輕易地區別。
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)
人類使用
漁業: 商業性; 游釣魚種: 是的
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Estimates based on models
Preferred temperature (Ref.
123201): 15.1 - 23.3, mean 20.9 °C (based on 46 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00224 (0.00105 - 0.00478), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.2 se; based on diet studies.
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (K=0.22-0.35; tm=1.3-2.1; tmax=12; Fec=2).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
Nutrients (Ref.
124155): Calcium = 20.7 [5.6, 105.3] mg/100g; Iron = 0.522 [0.162, 2.021] mg/100g; Protein = 21.8 [19.4, 24.1] %; Omega3 = 0.139 [0.057, 0.331] g/100g; Selenium = 42.6 [12.0, 151.0] μg/100g; VitaminA = 5.54 [1.87, 15.85] μg/100g; Zinc = 0.595 [0.263, 1.199] mg/100g (wet weight);
