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Gymnotiformes (Knifefishes) >
Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335); omarorum: Named for Omar Macadar and Omar Trujillo-Cenoz, pioneers in the anatomical and physiological study of electrogenesis in Gymnotus.
Eponymy: The two people after whom this species is named are Omar Macadar and Omar Trujillo-Cenoz, both of whom are Uruguayan scientists and pioneers in the study of the anatomy and physiology of electrogenesis in knifefishes and who have worked closely [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce pelágico. Tropical
South America: Uruguay.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 28.6 cm TL macho / no sexado; (Ref. 118108)
Facultative air-breathing in the genus (Ref. 126274); Found in submerged stems and roots of aquatic vegetation in lakes and small streams. Its
type locality has the following water parameters: electrical conductivity 170-190 µS/cm, pH 7.6-7.8, temperature 23-28°C. Possibly with paternal brood care (Ref. 82430)..
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Richer-de-Forges, M.M., W.G.R. Crampton and J.S. Albert, 2009. A new species of Gymnotus (Gymnotiformes, Gymnotidae) from Uruguay: description of a model species in neurophysiological research. Copeia 2009(3):538-544. (Ref. 82430)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 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=0.00204 (0.00115 - 0.00364), b=2.81 (2.64 - 2.98), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low to moderate vulnerability (25 of 100). 🛈 |