General information |
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| Sternarchogiton preto de Santana & Crampton, 2007 | ||
| 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; Gymnotiformes; Apteronotidae. |
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| Geographical distribution | Brazil; Peru; Venezuela |
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| Occurrence | Native: Brazil, Peru, Venezuela |
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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 | Caripetuba River, Brazil | |
| Source of chromosomes | Not reported |
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| Number of specimens with sex | 5 |
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| Diploid chromosome number | 52 |
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| Karyotype formula | 38m/sm+14st/a |
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| Fundamental arm number | 90 |
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| Chromosome length | Not reported |
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| Sex chromosome | Not detected |
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| Chromosome staining/banding/FISH | C-banding showed the presence of constitutive heterochromatin (CH) was observed in the centromeric regions of all chromosomes, a NOR was observed in the distal region of the long arm of pair 3 that was confirmed by DAPI and chromomycin A3 staining and FISH with 18S rDNA probes. |
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| Reference(s) |
Silva FHR, Pieczarka JC, Cardoso AL, Silva PCD, Oliveira JA, Nagamachi CY (2014).Chromosomal diversity in three species of electric fish (Apteronotidae, Gymnotiformes) from the Amazon Basin.Genetics and Molecular Biology, 37(4):638-645. |
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