General information |
||
| Astyanax lacustris (Lutken, 1875) | ||
| Common name | Tambiú | |
| 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.
|
|