General information |
||
Oligosarcus pintoi (Amaral Campos, 1945) | ||
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 |
|
Importance | ||
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(s) |
Rubert M, Margarido VP (2007). Cytogenetic studies in three species of the genus Oligosarcus. Brazilian Archives of Biology and Technology, 50(1): 127-135.
|
|