Astyanax lacustris ';
General information
 
Astyanax lacustris (Lutken, 1875)
 
 
Common nameTambiú
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 Sao Francisco River basin, MG, Brazil
Source of chromosomes
Kidney and gills
Number of specimens with sex
1 (sex non-determined)
Diploid chromosome number
50
Karyotype formula
32m/sm+18st/a
Fundamental arm number
82
Chromosome length
Sex chromosome
Chromosome staining/banding/FISH
Ag NORs location: distal end of the short arm of 2 A; 5S probe hybridization: pericentromeric region of 2 M; 28S probe hybridization: distal end of the short arm of 2 A, co-localized with the 5S in the pericentromeric region of 2 M.
Reference(s)
Almeida-Toledo LF, Ozouf-Costaz C, Foresti F, Bonillo C, Porto-Foresti F, Daniel-Silvaa MFZ (2002). Conservation of the 5S-bearing chromosome pair and co-localization with major rDNA clusters in five species of Astyanax (Pisces, Characidae). Cytogenet. Genome Res., 97: 229–233.