General information |
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| Piabina argentea Reinhardt, 1867 | ||
| Common name | Piaba | |
| Synonyms |
- |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | Freshwater |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characidae. |
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| Geographical distribution | Brazil |
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| Occurrence | Native: Brazil |
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| Importance | ||
| Remarks | ||
Karyological information |
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| Geographical area of study | Lake at the margins of the Sao Francisco River (Tres Marias, MG, Brazil) | |
| Source of chromosomes | Kidney |
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| Number of specimens with sex | 31(15 males, 16 females) |
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| Diploid chromosome number | 52 |
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| Karyotype formula | 8m+14sm+16st+14a |
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| Fundamental arm number | 90 |
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| Chromosome length | Not reported |
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| Sex chromosome | Not reported |
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| Chromosome staining/banding/FISH | Constitutive heterochromatin was detected in few chromosomes in the pericentromeric region. Ag-NORs were located in a telomeric position on short arm of acrocentric pair no. 20, coinciding with a heterochromatic region. |
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| Reference(s) |
Moreira PWA, Bertollo LAC, Moreira-Filho O (2007). Comparative cytogenetics between three Characidae fish species from the Sao Francisco river basin. Caryologia, 60(1-2): 64-68.
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