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Gymnotiformes (Knifefishes) >
Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335).
More on authors: Campos-da-Paz & Costa.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico. Tropical
South America: Currently known only from its type locality and surrounding areas, near Ilhéus, Bahia State, Brazil.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 27.6 cm TL maschio/sesso non determinato; (Ref. 30502)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Raggi anali molli: 201 - 226.
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Campos-da-Paz, R. and W.J.E.M. Costa, 1996. Gymnotus bahianus sp. nov., a new gymnotid fish from eastern Brazil (Teleostei: Ostariophysi: Gymnotiformes), with evidence for the monophyly of the genus. Copeia 1996(4):937-944. (Ref. 30502)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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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).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).