| General information |
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Characidium zebra (Eigenmann, 1909) |
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| Common name | Piquira |
| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characoidei; Crenuchidae. |
| Geographical distribution |
Brazil; Argentina; Colombia; Uruguay; Guyana; Suriname; French Guiana |
| Occurrence |
native: Brazil; questionable: Argentina; questionable: Colombia; questionable: Uruguay; native: Guyana; native: Suriname; native: French Guiana |
| Remarks |
- |
| Karyological information |
| Geographical area of study |
Jatai Reservoir, Luis Antonio; Passa Cinco river, Ipeuna and Piracicaba river, Piracicaba, Brazil. |
| Source of chromosomes |
Cephalic portion of kidney. |
| Number of specimens with sex |
55 (19 male, 36 female) |
| Diploid chromosome number |
50 |
| Karyotype formula |
32m+18sm |
| Fundamental arm number |
- |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
Ag-NOR bearing chromosome numbers ranged from 2 to 3. C-band positive sites found on centromeric and telomeric regions of some chromosomes. |
| Reference |
Miyazawa CS, Galetti Jr. PM. (1994). First cytogenetical studies in Characidium species (Pisces: Characiformes, Characidiinae). Cytologia, 59: 73-79. |
| Cross Link |