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); acutipinna: acutus (L.), sharp or pointed; pinna (L.), fin, referring to its sharp-tipped fins. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的. 熱帶; 0°S - 4°S
Eastern Pacific: known only from Ecuador.
東太平洋: 已知只來自厄瓜多了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 90.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 102.0 cm TL (female)
Known only from two specimens. Ovoviviparous (Ref. 50449).
已知只來自二件標本了。 卵胎生的.(參考文獻 50449)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Ovoviviparous, embryos feed solely on yolk (Ref. 50449).東太平洋: 已知只來自厄瓜多了。
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)
瀕危 (EN) (B1ab(v); C2a(ii)); Date assessed: 23 September 2020
人類使用
漁業: 沒有興趣
工具
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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).
營養階層 (Ref.
69278): 3.7 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High vulnerability (61 of 100).
