General information |
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| Characidium gomesi Travassos, 1956 | ||
| Common name | Canivete | |
| 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 |
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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 | Pardo River, Brazil. | |
| Source of chromosomes | Renal tissue and gills |
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| Number of specimens with sex | - |
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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 | Showed ZZ/ZW sex chromosome system. |
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| Chromosome staining/banding/FISH | W and B chromosomes contained completely darkly C-banded. Z chromosome showed a large pericentromeric C-band. Autosomes showed pericentromeric C-bands. |
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| Reference(s) |
Pansonato-Alves JC, Serrano E´A, Utsunomia R, Camacho JPM, Costa Silva GJd, et al. (2014). Single origin of sex chromosomes and multiple origins of B chromosomes in fish genus Characidium. PLoS ONE 9(9): e107169. doi:10.1371/journal.pone.0107169. |
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