| General information |
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Oligosarcus pintoi (Amaral Campos, 1945) |
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| Common name | Lambari |
| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characidae. |
| Geographical distribution |
Brazil |
| Occurrence |
native: Brazil |
| Remarks |
|
| Karyological information |
| Geographical area of study |
Tunas river, belonging to Piquiri river basin (Nova Laranjeiras, PR), Brasil |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
14 (06 males, 08 females) |
| Diploid chromosome number |
50 |
| Karyotype formula |
4m+10sm+16st+20a |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
NORs located on short arms of 21st acrocentric chromosomal pair, observed in all metaphases, plus 1-2 NOR-bearing chromosomes. Heterochromatin was associated to NORs in the acrocentric chromosomes from the pair 21 and in the short arms of one chromosome from the 2nd pair. |
| Reference |
Rubert M, Margarido VP (2007). Cytogenetic studies in three species of the genus Oligosarcus. Brazilian Archives of Biology and Technology, 50(1): 127-135.
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| Cross Link |