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) >
Torpediniformes (Electric rays)
電鰩目 (Electric rays) >
Torpedinidae (Electric rays)
電 (Electric rays)
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 10 - 600 m (Ref. 106604), usually 600 - ? m. 溫帶; 20°S - 40°S, 65°W - 40°W (Ref. 57911)
Southwest Atlantic: Argentina and Brazil.
西南大西洋: 阿根廷與巴西。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 110 cm TL 雄魚/尚未辨別雌雄; (Ref. 57911)
Lives on the continental slope around 600 m in depth. Feeds primarily on fishes (Ref. 114953). Ovoviviparous (Ref. 50449). Maturity size of males at 62-67 cm TL; largest known specimens are females (Ref. 114953).
卵胎生的.(參考文獻 50449) 生活在大陸斜坡大約 600 公尺深。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).西南大西洋: 阿根廷與巴西。
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
極危 (CR) (A2bd); Date assessed: 01 July 2019
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Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 7.6, mean 3.3 °C (based on 30 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00665 - 0.03288), b=2.96 (2.77 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.3 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (66 of 100).