Steindachnerina gracilis
General information
 
Steindachnerina gracilis Vari & Williams Vari, 1989
 
 
Valid name Steindachnerina gracilis Vari & Williams Vari, 1989 
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characoidei; Curimatidae.
Geographical distribution
Brazil
Occurrence Native: Brazil
Importance
Remarks
Karyological information
Geographical area of study Tocantins–Araguaia River, Brazil
Source of chromosomes
Kidney cell or short term cell culture
Number of specimens with sex
2 females, 4 males
Diploid chromosome number
54
Karyotype formula
38M + 16SM
Fundamental arm number
108
Chromosome length
Not reported
Sex chromosome
Not reported
Chromosome staining/banding/FISH
NORs were present on one to three chromosome pairs. C-banding analyses showed conspicuous heterochromatic blocks in all chromosomes with a predominance of large pericentromeric C-bands.
Reference(s)
Venere PC, Souza IL, Silva LKS, Dos Anjos MB, De Oliveira RR, Galetti Jr PM (2008). Recent chromosome diversification in the evolutionary radiation of the freshwater fish family Curimatidae (Characiformes). Journal of Fish Biology (2008) 72, 1976–1989.