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Gymnotiformes (Knifefishes) >
Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335); paraguensis: Named for the Río Paraguay (Ref. 49716).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical
South America: Río Paraguay basin and the Río Paraná drainage.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 24.0 cm SL macho/indeterminado; (Ref. 81048)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 0; Raios dorsais moles (total) : 0; Raios anais moles: 260 - 270. Color pattern composed of regularly arranges, unpaired (evenly pigmented), dark bands with straight, high contrast margins, with 4-7 inverted Y-shaped, or sometimes X-shaped, or discontinuous dark pigment bands in middle to posterior portion of body (Ref. 49716).
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Albert, J.S. and W.G.R. Crampton, 2003. Seven new species of the neotropical electric fish Gymnotus (Teleostei, Gymnotiformes) with a redescription of G. carapo (Linnaeus). Zootaxa 287:1-54. (Ref. 49716)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
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