Oligosarcus pintoi ';
General information
 
Oligosarcus pintoi (Amaral Campos, 1945)
 
 
Common nameLambari
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.