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Gymnotus javari Albert, Crampton & Hagedorn, 2003

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drawing shows typical species in Gymnotidae.

Peru country information

Common names: Macana
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality: Quebrada Caraná nr. Buen Sucesso, Río Yavari (Rio Javarí), Loreto Department (Ref. 49716).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/pe.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Albert, J.S. and W.G.R. Crampton, 2003
National Database:

Common names from other countries

Macana, Sarapó, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Gymnotiformes (Knifefishes) > Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335);  javari: Named for the Rio Javari (Ref. 49716).

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

; sötvatten bentopelagisk.   Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

South America: Western Amazon, from the Río Amazonas, the lower portions of the Napo, Javari and Ucayali basins.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 20.1 cm TL hane/ej könsbestämd; (Ref. 49716)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 0; Mjukstrålar i analfenan: 180 - 240. Color pattern composed of narrow pale bands (about 1/4 width of dark bands) on anterior half of body, approximately equally narrow dorsally and ventrally, and 5-8 partially divided, often H-shaped dark bands on posterior half of body (Ref. 49716).

Biologi     Ordlista (t.ex. epibenthic)

Facultative air-breathing in the genus (Ref. 126274); Collected from the lower reaches of meandering upland (non-floodplain) streams, in undercut banks and submerged vegetation (Ref. 49730).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator : Campos-da-Paz, Ricardo | Medarbetare

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)

IUCN Red List Status (Ref. 130435)

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