Classification / Names
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Gymnotiformes (Knifefishes) >
Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335); melanopleura: From the Latin melano meaning dark, and the Greek pleura meaning rib or side, in reference to the dark bands along the lateral body durface. Noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce demersale. Subtropical
South America: Mamirauá lake system near Tefé, Amazonas, Brazil and Rio Napo drainage, Loreto, Peru (Ref. 41292). Reported from the upper Amazon River basin, Brazil (Ref. 36692).
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL maschio/sesso non determinato; (Ref. 36692)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Slender body (body depth 6-10% TL versus 11-13) possess 12 pale bands along entire length of body, about as broad as the dark bands on the posterior half of the body, and a thin pale band extending posteroventrally below the eye to the branchial isthmus.
Facultative air-breathing in the genus (Ref. 126274); Collected in a whitewater floating meadow of the floodplain in the Tefé region (Ref. 41292).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Albert, J.S. and W.G.R. Crampton, 2001. Five new species of Gymnotus (Teleostei: Gymnotiformes) from an upper Amazon floodplain, with descriptions of electric organ discharges and ecology. Ichthyol. Explor. Freshwat. 12(3):241-266. (Ref. 41292)
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=0.00437 (0.00209 - 0.00911), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±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 (10 of 100).