Table 2 Cytogenetic studies in specimens of the genus Eigenmannia.
Species | 2n | KF | CB | NOR | Sex chromosomes | Localities | References |
|---|---|---|---|---|---|---|---|
Eigenmannia sp. | 46 | 20m/sm+26st/a | _ | 4p (a) | Undifferentiated | Amazon basin, Jari river | [12] |
Eigenmannia sp ♀ and ♂ | 31/32 | 13m/sm+18st/a♀ and 12m/sm+20st/a♂ | _ | 4p (a) | Undifferentiated | Amazon basin, Jari river | [12] |
Eigenmannia sp.1 ♀ and ♂ | 28 | 14m/sm+14a | + | 10q (a) | Undifferentiated | Mogi-Guaçu river | [16] |
Eigenmannia sp.1 ♀ and ♂ | 28 | 14m/sm+14a | + | 10q + 1 at 11q (a) + 1 at 3p (m) | Undifferentiated | Mogi-Guaçu river at Emas waterfall | [11] |
Eigenmannia sp.1 ♀ and ♂ | 28 | 14m/sm+14a | + | 3q (m) | Undifferentiated | Mogi-Guaçu river at Araras region | [11] |
Eigenmannia sp.2 ♀ and ♂ | 31/32 | 8m+24a♀ and 9m+22a♂ | + | 10p (a) | X1X2Y/X1X1X2X2 | Tietê river | |
Eigenmannia virescens ♀ and ♂ | 38 | 16m/sm+22st/a | + | 15p (st) | Undifferentiated | Mogi-Guaçu river | [13] |
Eigenmannia virescens ♀ | 38 | 16m/sm+22st/a♀ and 16m/sm+22st/a♂ | + | 15p (st) | XX/XY | Tietê river | [13] |
Eigenmannia virescens ♀ and ♂ | 38 | 23m/sm+15st/a♀ and 22m/sm+16st/a♂ | + | 17p (st-a) | ZZ/ZW | São Francisco river | [14] |
Eigenmannia virescens ♀ and ♂ | 38 | 15m/sm+23st/a♀ and 14m/sm+24st/a♂ | + | 14p (a) | ZZ/ZW | Marajó Island | [14] |
Eigenmannia virescens ♀ | 38 | 17m/sm+st/a | + | 16p (a) | ZW | Middle Amazonas river | [14] |
Eigenmannia virescens ♂ | 38 | 14m/sm+24st/a | + | 15p (st) | ZZ | Murini river, eastern Amazonia | This work |
Eigenmannia virescens ♀ and ♂ | 38 | 15m/sm+23st/a♀ and 14m/sm+24st/a♂ | + | 15p (st) | ZZ/ZW | Guamá river, eastern Amazonia | This work |
Eigenmannia virescens ♀ and ♂ | 38 | 15m/sm+23st/a♀ and 14m/sm+24st/a♂ | + | 15p (st) | ZZ/ZW | Anequara river, eastern Amazonia | This work |
Eigenmannia virescens ♀ and ♂ | 38 | 15m/sm+23st/a♀ and 14m/sm+24st/a♂ | + | 15p (st) | ZZ/ZW | Caripetuba river, eastern Amazonia | This work |