| General information |
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Gymnotus inaequilabiatus (Valenciennes, 1839) |
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| Synonyms |
Carapus inaequilabiatus Valenciennes, 1839 |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Gymnotiformes; Gymnotoidei; Gymnotidae. |
| Geographical distribution |
Brazil; Argentina |
| Occurrence |
native: Brazil; native: Argentina |
| Importance |
Food |
| Karyological information |
| Geographical area of study |
Agua da Madalena - Botucatu-Sao Paulo River; Araqua – Botucatu-Sao Paulo River; Campo Novo- Bauru-Sao Paulo River; Mogi-Guacu - Pirassununga-Sao Paulo River, Brazil |
| Source of chromosomes |
Not reported |
| Number of specimens with sex |
57 |
| Diploid chromosome number |
54 |
| Karyotype formula |
42m+10sm+2a |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
The C-banding technique revealed centromeric marks in all chromosomes. NORs were localised on firstchromosome pair, as revealed by silver staining and hybridization with 18S rDNA probes. The 5S rDNA probes revealed signals on seventeen pairs. |
| Reference |
Scacchetti PC, Pansonato-Alves JC, Utsunomia R, Oliveira C, Foresti F (2011). Karyotypic diversity in four species of the genus Gymnotus Linnaeus, 1758 (Teleostei, Gymnotiformes, Gymnotidae): physical mapping of ribosomal genes and telomeric sequences. Comparative Cytogenetics, 5(3): 223–235. |
| Cross Link |