General information |
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| Astyanax scabripinnis L. Jenyns, 1842 | ||
| Common name | Piaba | |
| Synonyms |
Tetragonopterus scabripinnis Jenyns, 1842 Astyanax scabripinnis scabripinnis (Jenyns, 1842) |
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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; Characidae. |
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| Geographical distribution | Brazil; Argentina |
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| Occurrence | Native: Brazil, Argentina |
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| Importance | ||
| Remarks | ||
Karyological information |
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| Geographical area of study | Paranapanema River, Botucatu, Sao Paulo,Brazil. | |
| Source of chromosomes | Kidney |
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| Number of specimens with sex | Not reported |
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| Diploid chromosome number | 50 |
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| Karyotype formula | 8M+18SM+10ST+14A |
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| Fundamental arm number | 76 |
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| Chromosome length | Not reported |
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| Sex chromosome | Not reported |
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| Chromosome staining/banding/FISH | C-banding showed heterochromatin blocks on the long arms of chr. 14, 15,17 & 19-25. |
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| Reference(s) |
Daniel-Silva MFZ, Almeida Toledo LFD (2001). Chromosome R-banding pattern and conservation of a marker chromosome in four species, genus Astyanax (Characidae, Tetragonopterinae), Caryologia, 54 (3): 209-215. |
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