分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes)
電鰻目 (Knifefishes) >
Gymnotidae (Naked-back knifefishes)
裸背電鰻科 (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335).
Eponymy: Silvio de Almeida Toledo Filho is a pioneering ichthyologist researching into the electro-biology of the genus Gymnotus from southeastern Brazil at the Department of Biology and Genetics, Biosciences Institute, University of São Paulo. [...] (Ref. 128868), visit book page.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性. 熱帶
South America: Ribeira de Iguape, Paraíba do Sul, and Pardo River basins in Brazil.
南美洲: Rio Ribeira de Iguape ， rio Paraiba do Sul 與 rio Pardo 流域, 所有的巴西東南方。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 42.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 100741)
Facultative air-breathing in the genus (Ref. 126274)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: Rio Ribeira de Iguape ， rio Paraiba do Sul 與 rio Pardo 流域, 所有的巴西東南方。
Albert, J.S., F.M. Fernandes-Matioli and L.F. de Almeida-Toledo, 1999. New species of Gymnotus (Gymnotiformes, Teleostei) from southeastern Brazil: toward the deconstruction of Gymnotus carapo. Copeia 1999(2):410-421. (Ref. 35453)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 07 November 2018
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基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00223 - 0.00678), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (參考文獻
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Moderate vulnerability (41 of 100).
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