| General information |
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Brachychalcinus retrospina (Boulenger, 1892) |
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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; Characidae. |
| Geographical distribution |
- |
| Occurrence |
- |
| Remarks |
- |
| Karyological information |
| Geographical area of study |
Angelim River, Upper Paraguay Basin, Nova Olímpia, Mato Grosso State, Brazil. |
| Source of chromosomes |
Kidney cells. |
| Number of specimens with sex |
10 (5 male, 5 female) |
| Diploid chromosome number |
50 |
| Karyotype formula |
16m+24sm+6st+4a |
| Fundamental arm number |
96 |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
AgNORs detected in subtelocentric chromosome pair 21. |
| Reference |
Krinskia D, Miyazawa CS (2012). First description of the karyotype and Ag-NORs localization of Brachychalcinus retrospina (Pisces: Characidae: Stethaprioninae) from Upper Paraguay Basin, Mato Grosso State, Brazil. Caryologia: International Journal of Cytology, Cytosystematics and Cytogenetics , 65(1): 82–85. |
| Cross Link |