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Gymnotiformes (Knifefishes) >
Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335); tigre: Specific epithet from the common name used in the local aquarium trade referring to the tiger-like markings (Ref. 49716).
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce bentopelágico. Tropical
South America: Río Amazon basin, Río Pastaza basin in Ecuador to the Tapajós basin in Brazil.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 41.1 cm TL macho / no sexado; (Ref. 49716)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 0; Radios blandos anales: 190 - 240. Presence of irregular pale-yellow blotches on chin, behind and under eyes, over opercle, and between eyes; pale yellow bands on body with straight, high contrast margins, as broad or broader than brown bands anteriorly; obliquely oriented hyaline and dark stripes at caudal end of anal fin (Ref. 49716).
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).