| General information |
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Rineloricaria longicauda (Reis, 1983) |
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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 |
| Occurrence |
native: Brazil |
| Remarks |
Heteromorphic secondary constriction found on short arm of chromosome pair 11. |
| Karyological information |
| Geographical area of study |
Cerquinha Lagoon–Cidreira, Rio Grande do Sul (SATT), Brazil. |
| Source of chromosomes |
Kidney cells. |
| Number of specimens with sex |
8 (3 male, 2 female, 3 unidentified). |
| Diploid chromosome number |
70 |
| Karyotype formula |
6m/sm+64st/a |
| Fundamental arm number |
- |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
C-banding detected heterochromatic blocks in pericentromeric regions that coincide with secondary constriction of pair 11. 18S rDNA sites found on short arm of pair 11 and multiple sites of 5S rDNA on short arms of pairs 7, 10, 14 and 15. |
| Reference |
Venturelli NB, Takagui FH, Pompeo LRS, Rodriguez MS, da Rosa R, Giuliano-Caetano L. (2021). Cytogenetic markers to understand chromosome diversification and conflicting taxonomic issues in Rineloricaria (Loricariidae: Loricariinae) from Rio Grande do Sul coastal drainages. Biologia 76: 2561–2572. |
| Cross Link |