General information |
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| Brachychalcinus retrospina (Boulenger, 1892) | ||
| Synonyms |
- |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | - |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characidae. |
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| Geographical distribution | - |
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| Occurrence | - | |
| Importance | ||
| Remarks | - |
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Karyological information |
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| Geographical area of study | Angelim River, Upper Paraguay Basin, Nova Olímpia, Mato Grosso State, Brazil. | |
| Source of chromosomes | Kidney cells. |
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| Number of specimens with sex | 10 (5 male, 5 female) |
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| Diploid chromosome number | 50 |
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| Karyotype formula | 16m+24sm+6st+4a |
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| Fundamental arm number | 96 |
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| Chromosome length | - |
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| Sex chromosome | - |
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| Chromosome staining/banding/FISH | AgNORs detected in subtelocentric chromosome pair 21. |
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| Reference(s) |
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. |
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