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Gymnotiformes (Knifefishes) >
Gymnotidae (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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
South America: Ribeira de Iguape, Paraíba do Sul, and Pardo River basins in Brazil.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 42.0 cm SL mannelijk / geslacht onbekend; (Ref. 100741)
Facultative air-breathing in the genus (Ref. 126274)
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
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).
Trofisch niveau (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij (Ref.
59153): Moderate vulnerability (41 of 100).
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