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Gymnotiformes (Knifefishes) >
Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335); choco: Named after the Chocó region on the Pacific slope of Colombia (Ref. 49716).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Río Baudó drainage on the Pacific slope of Colombia, and the Río Atrato, a Caribbean drainage in northern Colombia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 26.0 cm TL hane/ej könsbestämd; (Ref. 49716)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 0; Mjukstrålar i analfenan: 210 - 255. Color pattern of obliquely oriented pale-yellow bands which the band-interband margins are irregular and wavy, in which there are one to three inverted Y-shaped (divided ventrally) dark bands in the posterior portion of body (at bands 6-9 from posterior tip of tail), and in which the pale bands do not extend above the lateral line on the anterior 2/3 of body (Ref. 49716).
Facultative air-breathing in the genus (Ref. 126274)
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00427 (0.00202 - 0.00902), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |