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)
白眼鮫目 (Ground sharks) >
Triakidae (Houndsharks)
平滑鮫科 (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
生态学
海洋 居于水底的. 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 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 180 cm TL 雄鱼/尚未辨别雌雄; (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.
栖息于大陆架了, 大部份近海。 可能地到 240 公分。 可能吃底栖的无脊椎动物。 (参考文献 28023) 卵胎生的 (参考文献 50449), 有大约 14个幼鱼一胎。 全长胎儿 30 到 40 公分的大小。 供人类食用。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435)
极度濒危 (CR) (A2bd); Date assessed: 07 February 2019
人类利用
渔业: 低经济
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特别资料
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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=0.00240 (0.00110 - 0.00521), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.37 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec=14).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
