Eigenmannia sp. |
46 |
20m/sm+26st/a |
4 p (a) |
ND |
Amazon basin, rio Jari-Pará, Brazil |
Almeida-Toledo et al. (1985)Almeida Toledo, L. F., F. Foresti & S. de Almeida Toledo Filho. 1985. Spontaneous triploidy and NOR activity in Eigenmannia sp. (Pisces, Sternopygidae) from the Amazon basin. Genetica, 66: 85-88.
|
Eigenmannia sp. |
31/32 |
13m/sm+18st/a♀; 12m/ms+20st/a♂ |
4 p (a) |
ND |
Amazon basin, rio Jari-Pará, Brazil |
Almeida-Toledo et al. (1985)Almeida Toledo, L. F., F. Foresti & S. de Almeida Toledo Filho. 1985. Spontaneous triploidy and NOR activity in Eigenmannia sp. (Pisces, Sternopygidae) from the Amazon basin. Genetica, 66: 85-88.
|
Eigenmannia sp.1 |
28 |
14m/sm+14a |
10 q (a) |
ND |
rio Mogi-Guaçu-São Paulo, Brazil |
Almeida-Toledo et al. (1988)Almeida Toledo, L. F., E. Viegas-Péquignot, F. Foresti, S. A. Toledo Filho & B. Dutrillaux. 1988. BrdU replication patterns demonstrating chromosome homoeologies in two fish species, genus Eigenmannia. Cytogenetics and Cell Genetics, 48: 117-120.
|
Eigenmannia sp.1 |
28 |
14m/sm+14a |
10q+1 at11q(a) +1 at 3p(m) |
ND |
Emas waterfalls rio Mogi-Guaçu-São Paulo, Brazil |
Almeida-Toledo et al. (1996)Almeida-Toledo, L. F., A. J. Stocker, F. Foresti & S. Almeida Toledo-Filho. 1996. Fluorescence in situ hybridization with rDNA probes on chromosomes of two nucleolus organizer region phenotypes of a species of Eigenmannia (Pisces, Gymnotoidei, Sternopygidae). Chromosome Research, 4: 301-305.
|
Eigenmannia sp.1 |
28 |
14m/sm+14a |
3 q (m) |
ND |
Araras region rio Mogi-Guaçu-São Paulo, Brazil |
Almeida-Toledo et al. (1996)Almeida-Toledo, L. F., A. J. Stocker, F. Foresti & S. Almeida Toledo-Filho. 1996. Fluorescence in situ hybridization with rDNA probes on chromosomes of two nucleolus organizer region phenotypes of a species of Eigenmannia (Pisces, Gymnotoidei, Sternopygidae). Chromosome Research, 4: 301-305.
|
Eigenmannia sp.2 |
31/32 |
8m+24a♀; 9m+22a♂ |
10p (a) |
X1X1X2X2/X1X2Y |
rio Tietê-São Paulo, Brazil |
Almeida-Toledo et al. (1984, 1988, 2000)Almeida Toledo, L. F., H. Foresti & S. de Almeida Toledo Filho. 1984. Complex sex chromosome system in Eigenmannia sp. (Pisces, Gymnotiformes). Genetica, 64: 165-169.
|
Eigenmannia sp. 3 |
36 |
7m/sm+29st/a♀; 6m/sm+30st/a♂ |
16p (a) |
ZZ/ZW |
rio Penápolis and Botucatu, rio Tietê-São Paulo, Brazil |
Almeida-Toledo et al. (1996)Almeida-Toledo, L. F., A. J. Stocker, F. Foresti & S. Almeida Toledo-Filho. 1996. Fluorescence in situ hybridization with rDNA probes on chromosomes of two nucleolus organizer region phenotypes of a species of Eigenmannia (Pisces, Gymnotoidei, Sternopygidae). Chromosome Research, 4: 301-305.; Moysés et al. (2005) |
E. virescens
|
38 |
16m/sm+22st/a |
15 p (st) |
ND |
rio Mogi-Guaçu system-São Paulo, Brazil |
Almeida-Toledo et al. (2001)Almeida-Toledo, L. F., F. Foresti, E. V. Péquignot & M. F. Z. Daniel-Silva. 2001. XX:XY sex chromosome system with X heterochromatinization: an early stage of sex chromosome differentiation in the Neotropical electric eel Eigenmannia virescens. Cytogenetics and Cell Genetics, 95: 73-78.
|
E. virescens
|
38 |
16m/sm+22st/a♀; 16m/sm+22st/a♂ |
15 p (st) |
XX /XY |
rio Tietê-São Paulo, Brazil |
Almeida-Toledo et al. (2001)Almeida-Toledo, L. F., F. Foresti, E. V. Péquignot & M. F. Z. Daniel-Silva. 2001. XX:XY sex chromosome system with X heterochromatinization: an early stage of sex chromosome differentiation in the Neotropical electric eel Eigenmannia virescens. Cytogenetics and Cell Genetics, 95: 73-78.
|
E. virescens
|
38 |
23m/sm+15st/a♀; 22m/sm+16st/a♂ |
17p (st-a) |
ZW/ZZ |
rio São Francisco-Minas Gerais, Brazil |
Almeida-Toledo et al. (2002)Almeida-Toledo, L. F., M. F. Z. Daniel-Silva, C. B. Moysés, S. B. A. Fonteles, C. E. Lopes, A. Akama & F. Foresti. 2002. Chromosome evolution in fish: sex chromosome variability in Eigenmannia virescens (Gymnotiformes: Sternopygidae). Cytogenetic and Genome Research, 99: 164-169.
|
E. virescens
|
38 |
15m/sm+23st/a♀; 14m/sm +22st/a♂ |
14p (a) |
ZW/ZZ |
Ilha de Marajó-Pará, Brazil |
Almeida-Toledo et al. (2002)Almeida-Toledo, L. F., M. F. Z. Daniel-Silva, C. B. Moysés, S. B. A. Fonteles, C. E. Lopes, A. Akama & F. Foresti. 2002. Chromosome evolution in fish: sex chromosome variability in Eigenmannia virescens (Gymnotiformes: Sternopygidae). Cytogenetic and Genome Research, 99: 164-169.
|
E. virescens
|
38 |
17m/sm +21st/a |
16p (a) |
ZW |
Middle rio Amazon-Amazonas, Brazil |
Almeida-Toledo et al. (2002)Almeida-Toledo, L. F., M. F. Z. Daniel-Silva, C. B. Moysés, S. B. A. Fonteles, C. E. Lopes, A. Akama & F. Foresti. 2002. Chromosome evolution in fish: sex chromosome variability in Eigenmannia virescens (Gymnotiformes: Sternopygidae). Cytogenetic and Genome Research, 99: 164-169.
|
E. virescens
|
38 |
15m/sm+23st/a♀; 14m/sm+24st/a♂ |
15p (st) |
ZZ/ZW |
rios Murini, Anequara and Guamá, Pará, Brazil |
Silva et al. (2009) |
E. trilineata
|
31/32 |
8m+24a♀; 9m+22a♂ |
10p (a) |
X1X1X2X2/X1X2Y |
rio Iguatemi tributary (Mundo Novo)-Mato Grosso do Sul, Brazil |
Fernandes et al. (2010) |
Eigenmannia sp. "A" |
34 |
22 m/sm+12 st/a |
17p (a) |
ND |
Igarapé do Açaiteuazinho, Lago segredo and Balneário do Marapanim-Pará, Brazil |
Present study |
Eigenmannia sp. "B" |
38 |
14 m/sm+24 st/a |
14p (a) |
XX/XY |
Igarapé do Açaiteuzinho-Pará, Brazil |
Present study |