General information |
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| Characidium zebra (Eigenmann, 1909) | ||
| Common name | Piquira | |
| Synonyms |
- |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | Freshwater |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characoidei; Crenuchidae. |
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| Geographical distribution | Brazil; Argentina; Colombia; Uruguay; Guyana; Suriname; French Guiana |
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| Occurrence | Native: Brazil, Guyana, Suriname, French Guiana Questionable: Argentina, Colombia, Uruguay |
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| Importance | ||
| Remarks | - |
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Karyological information |
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| Geographical area of study | Jatai Reservoir, Luis Antonio; Passa Cinco river, Ipeuna and Piracicaba river, Piracicaba, Brazil. | |
| Source of chromosomes | Cephalic portion of kidney. |
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| Number of specimens with sex | 55 (19 male, 36 female) |
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| Diploid chromosome number | 50 |
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| Karyotype formula | 32m+18sm |
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| Fundamental arm number | - |
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| Chromosome length | - |
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| Sex chromosome | - |
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| 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. |
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| Reference(s) |
Miyazawa CS, Galetti Jr. PM. (1994). First cytogenetical studies in Characidium species (Pisces: Characiformes, Characidiinae). Cytologia, 59: 73-79. |
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