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: Triakis: tri-, from tres (L.), three; akis (Gr.), point, referring to each tooth consisting of one large central cusp flanked on by both sides by a small cusplet (See ETYFish); maculata: Latin for spotted, referring to many small black spots on body (some specimens are unspotted) (See ETYFish).
More on authors: Kner & Steindachner.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的. 熱帶; 0°S - 30°S
Eastern Pacific: Galapagos Islands and from Peru to northern Chile. Mexican records of this species are erroneous.
東太平洋: 加拉巴哥群島與從祕魯到智利北部。 這種的墨西哥記錄是錯誤的。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 180 cm TL 雄魚/尚未辨別雌雄; (Ref. 244)
Found on the continental shelf, mostly inshore. Possibly to 240 cm. Probably feeds on benthic invertebrates (Ref. 28023). Ovoviviparous (Ref. 50449), with about 14 young to a litter. Size of full-term fetuses 30 to 40 cm. Utilized for human consumption.
棲息於大陸棚了, 大部份近海。 可能地到 240 公分。 可能吃底棲的無脊椎動物。 (參考文獻 28023) 卵胎生的 (參考文獻 50449), 有大約 14個幼魚一胎。 全長胎兒 30 到 40 公分的大小。 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).東太平洋: 加拉巴哥群島與從祕魯到智利北部。 這種的墨西哥記錄是錯誤的。
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: Version 2024-1)
極危 (CR) (A2bd); Date assessed: 07 February 2019
人類使用
漁業: 低經濟
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00245 (0.00114 - 0.00526), b=3.13 (2.95 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.37 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec=14).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
