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Gymnotus inaequilabiatus (Valenciennes, 1839)

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Gymnotus inaequilabiatus
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分類 / Names 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).
More on author: Valenciennes.

Issue
Sherborn & Griffin (1934) have noticed that the plates with the figure of the holotype of the nominal Carapus inaequilabiatus (i.e., the original description of that species) was actually published in 1839, while the text description was published some years later, in 1847. In the text description, the generic name appears as Carapeus (a misspelling; 1847:11). The type locality of Gymnotus inaequilabiatus has been sometimes cited elsewhere as "rio de La Plata" (e.g., Mago-Leccia, 1994:55).

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性. 亞熱帶的

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South America: Paraguay River basin (also probably in lower Paraná basin).
南美洲: 巴拉圭河流域.(也可能在 Parana 流域下游)

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 18.2  range ? - ? cm
Max length : 99.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 118108)

生物學特性     字彙 (例如 epibenthic)

Facultative air-breathing in the genus (Ref. 126274)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚

南美洲: 巴拉圭河流域.(也可能在 Parana 流域下游)

主要參考資料 Upload your references | 參考文獻 | 合作者 : Campos-da-Paz, Ricardo | 合作者

Campos-da-Paz, R., 2003. Gymnotidae (Naked-back knifefishes). p. 483-486. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre EDIPUCRS, Brasil. (Ref. 36692)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)

  無危 (LC) ; Date assessed: 13 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00204 - 0.00890), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.5   ±0.5 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 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High vulnerability (60 of 100).