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> Gymnotiformes (Knifefishes) > Gymnotidae (Naked-back knifefishes) > Electrophorinae
Etymology: Electrophorus: Greek, elektron = amber + Greek,pherein = to carry (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch. Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

South America: lowland floodplain and terra-firme systems of the intercratonic Amazon Basin; including some streams in the Guiana Shield.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 149 cm TL Männchen/unbestimmt; (Ref. 120918)

Kurzbeschreibung Morphologie | Morphometrie

This species is distinguished by the following characters: pectoral-fin rays 20-28; lateral-line pores 124-186 ((vs. 32-38 and 88-101, respectively, in E. electricus); narrow head (vs. wide in E. voltai); the distance between medial margins of contralateral dentaries at transverse through last two ventral pores is 2-3 times shorter than E. voltai; deep skull, cleithrum lies between vertebrae 1 and 2 (vs. depressed with cleithrum lying between vertebrae 5 and 6, in E. electricus and E. voltai). Low-voltage electric organ discharges or EOD duration 1.24-1.78 ms, high-voltage EOD 151 V (20.0 cm TL) to 572 V (60.9 cm TL) (Ref. 120918).

Obligate air-breathing (Ref. 126274)

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Campos-da-Paz, Ricardo | Partner

de Santana, C.D., W.G.R. Crampton, C.B. Dillman, R.G. Frederico, M.H. Sabaj, R. Covain, J. Ready, J. Zuanon, R.R. de Oliveira, R.N. Mendes-Júnior, D.A. Bastos, T.F. Teixeira, J. Mol, W. Ohara, N.C. de Castro, L.A. Peixoto et al., 2019. Unexpected species diversity in electric eels with a description of the strongest living bioelectricity generator. Nature Communications (2019)10:4000. [+authors; Nagamachi, C.; Sousa, L.; Montag, L.F.A.; Ribeiro, F.; Waddell, J.C.; Piorsky, N.M.; Vari, R.P.; Wosiacki, W.B. ] (Ref. 120918)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Electrophoreses
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.5 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (89 of 100).

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Electrophorus varii de Santana, Wosiacki, Crampton, Sabaj, Dillman, Mendes-Júnior & Castro e Castro, 2019