General information |
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| Electrophorus electricus (Linnaeus, 1766) | ||
| Common name | Electric eel, Poraquê | |
| Synonyms |
Gymnotus electricus Linnaeus, 1766 Gymnotus tremulus Houttuyn, 1764 Gymnotus regius Chiaje, 1847 Electrophorus multivalvulus Nakashima, 1941 |
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| IUCN Red List status (2014) | Least Concern (LC) |
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| Habitat | Freshwater |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Gymnotiformes; Gymnotoidei; Gymnotidae. |
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| Geographical distribution | Brazil; Peru; Venezuela; Guyana; Suriname; French Guiana |
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| Occurrence | Native: Brazil, Peru, Venezuela, Guyana, Suriname, French Guiana |
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| Importance | ||
| Remarks | Model species |
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Karyological information |
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| Geographical area of study | Amazon River (Almeirim, Para State), Araguaia River (Nova Crixas, Goias State), Brazil. | |
| Source of chromosomes | Kidney |
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| Number of specimens with sex | 2 females |
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| Diploid chromosome number | 52 |
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| Karyotype formula | 42M-SM+10A |
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| Fundamental arm number | Not reported |
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| Chromosome length | Not reported |
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| Sex chromosome | Not reported |
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| Chromosome staining/banding/FISH | C- bands were centromeric and pericentromeric in position, some interstitial C-bands were present. Ag-NORS were present on two chromosome pairs. |
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| Reference(s) |
Fonteles SBA, Lopes CE, Akama A, Fernandes FMC, Porto-Foresti F, Senhorini JA, Daniel-Silva MFZ, Foresti F, Almeida-Toledo LF(2008). Cytogenetic characterization of the strongly electric Amazonian eel,Electrophorus electricus (Teleostei, Gymnotiformes), from the Brazilian rivers Amazon and Araguaia. Genetics and Molecular Biology, 31(1): 227-230. |
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