| General information |
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Hisonotus nigricauda (Boulenger, 1891) |
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| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Loricariidae. |
| Geographical distribution |
Brazil; Uruguay |
| Occurrence |
native: Brazil; native: Uruguay |
| Remarks |
|
| Karyological information |
| Geographical area of study |
GuaÃba river near town of Eldorado do Sul in Rio Grande do Sul state, Brazil. |
| Source of chromosomes |
Kidney and gill tissues. |
| Number of specimens with sex |
8 female |
| Diploid chromosome number |
54 |
| Karyotype formula |
26m+20sm+8st |
| Fundamental arm number |
- |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
Interstitial Ag-NORs located on long arms of largest metacentric pair. Positive C-banded segments restricted to pericentromeric and terminal regions of several chromosomes. |
| Reference |
Andreata A, Oliveira C, Foresti F (2006). Karyological characterization of four Neotropical fish species of the genus Hisonotus (Teleostei, Loricariidae, Hypoptopomatinae) from distinct Brazilian river basins. Genetics and Molecular Biology, 29(1), 62-66. |
| Cross Link |