General information |
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| Steindachnerina insculpta (Fernandez-Yepez, 1948) | ||
| Common name | Fernete | |
| Synonyms |
Cruxentina insculpta Fernandez-Yepez, 1948 |
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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; Curimatidae. |
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| Geographical distribution | Brazil |
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| Occurrence | Native: Brazil |
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| Importance | Food |
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| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Paranapanema and Tietê Rivers, São Paulo State, Brazil. | |
| Source of chromosomes | Kidney cell |
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| Number of specimens with sex | 23 (10 male, 13 female) |
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| Diploid chromosome number | 54 |
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| Karyotype formula | 54m/sm |
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| Fundamental arm number | - |
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| Chromosome length | - |
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| Sex chromosome | No chromosome differences among male and female species. |
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| Chromosome staining/banding/FISH | Ag-NORs, CMA3 and 18S rDNA signals localized at terminal region of long arm of large metacentric chromosome pair 7. Heterochromatin blocks seen on several centromeric and a few telomeric regions. Conspicuous heterochromatic blocks visualized on long arm of chromosome pair 7. |
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| Reference(s) |
De Rosa, LVS, Foresti F, Martins C, Oliveira C, Sobrinho PE, Wasko AP (2007). Cytogenetic analyses of two Curimatidae species (Pisces; Characiformes) from the Paranapanema and Tietê Rivers. Braz. J. Biol., 67(2): 333-338. |
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