| General information |
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Electrophorus electricus (Linnaeus, 1766) |
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| Common name | Electric eel, Poraquê |
| Synonyms |
Gymnotus electricus Linnaeus, 1766 Gymnotus tremulus Houttuyn, 1764 Gymnotus regius Chiaje, 1847 Electrophorus multivalvulus Nakashima, 1941 |
| IUCN Red List status (2014) |
Least Concern (LC) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Gymnotiformes; Gymnotoidei; Gymnotidae. |
| Geographical distribution |
Brazil; Peru; Venezuela; Guyana; Suriname; French Guiana |
| Occurrence |
native: Brazil; native: Peru; native: Venezuela; native: Guyana; native: Suriname; native: French Guiana |
| Remarks |
Model species |
| Karyological information |
| Geographical area of study |
Amazon River (Almeirim, Para State), Araguaia River (Nova Crixas, Goias State), Brazil. |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
2 females |
| Diploid chromosome number |
52 |
| Karyotype formula |
42M-SM+10A |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| 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. |
| Reference |
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. |
| Cross Link |