General information |
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| Parodon tortuosus Eigenmann & Norris, 1900 | ||
| Common name | Canivete | |
| Valid name | Parodon nasus Kner, 1859 | |
| Synonyms |
Parodon tortuosus Eigenmann & Norris, 1900 Parodon tortuosus tortuosus Eigenmann & Norris, 1900 Parodon gestri Boulenger, 1902 Apareiodon pirassunungae Amaral Campos, 1945 Parodon tortuosus Eigenmann & Norris, 1900 Parodon tortuosus tortuosus Eigenmann & Norris, 1900 Parodon gestri Boulenger, 1902 Apareiodon pirassunungae Amaral Campos, 1945 |
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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; Parodontidae. |
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| Geographical distribution | Brazil; Argentina |
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| Occurrence | Native: Brazil, Argentina |
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| Importance | ||
| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Passa-Cinco river (Upper Parana river basin) | |
| Source of chromosomes | Not reported |
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| Number of specimens with sex | Males-8; females- 14 |
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| Diploid chromosome number | 54 |
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| Karyotype formula | 48M/SM +6ST |
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| Fundamental arm number | Not reported |
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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-bands on pericentrmeric and telomeric region of some chromosmes; NORs were found terminally on 25th pair by silver staining and FISH with 18S rDNA probes |
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| Reference(s) |
Bellafronte E, Margarido VP, Moreira-Filho O (2005). Cytotaxonomy of Parodon nasus, and Parodon tortuosus (Pisces, Characiformes). A case of synonymy confirmed by cytogenetic analyses. Genetics and Molecular Biology, 28(4): 710-716. |
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