General information |
Characidium pterostictum Characidium oiticicai (Travassos, 1967) |
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Synonyms |
- |
IUCN Red List status (2014) |
Not Reported |
Habitat |
- |
Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characoidei; Crenuchidae. |
Geographical distribution |
- |
Occurrence |
- |
Remarks |
Caintains mitotically unstable B chromosomes. |
Karyological information |
Geographical area of study |
Tieteˆ River, Brazil. |
Source of chromosomes |
Renal tissue and gills. |
Number of specimens with sex |
- |
Diploid chromosome number |
50 |
Karyotype formula |
32m+18sm |
Fundamental arm number |
- |
Chromosome length |
- |
Sex chromosome |
Showed ZZ/ZW sex chromosome system. |
Chromosome staining/banding/FISH |
W and B chromosomes contained completely darkly C-banded. Z chromosome showed a large pericentromeric C-band. Autosomes showed pericentromeric C-bands. |
Reference |
Pansonato-Alves JC, Serrano E´A, Utsunomia R, Camacho JPM, Costa Silva GJd, et al. (2014). Single origin of sex chromosomes and multiple origins of B chromosomes in fish genus Characidium. PLoS ONE 9(9): e107169. doi:10.1371/journal.pone.0107169. |
Cross Link |