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 | Teite River, Brazil | |
| Source of chromosomes | Kidney and gills |
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| Number of specimens with sex | 1 female |
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| Diploid chromosome number | 50 |
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| Karyotype formula | 36 m/sm+ 14st/a |
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| Fundamental arm number | 86 |
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| Chromosome length | ||
| Sex chromosome | ||
| Chromosome staining/banding/FISH | Ag NORs location: distal portion of the short arm of 2 A; 5S probe hybridization: pericentromeric region of 2 M and 2 A; 28S probe hybridization: short arm of 2 A; co-localize in the pericentromeric region of 2 M and 2 A. |
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| 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.
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