General information |
||
| Hemiancistrus spilomma (Cardoso & Lucinda, 2003) | ||
| 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 |
|
| Importance | ||
| Remarks | - |
|
Karyological information |
||
| Geographical area of study | Rio Araguaia, near city of Pontal do Araguaia, Mato Grosso, Brazil. | |
| Source of chromosomes | Kidney cells or short-term cell culture. |
|
| Number of specimens with sex | 10 (2 male, 8 female) |
|
| Diploid chromosome number | 52 |
|
| Karyotype formula | 24m+22sm+6st (males), 25m+21sm+6st (females). |
|
| Fundamental arm number | - |
|
| Chromosome length | - |
|
| Sex chromosome | ZZ/ZW sex mechanism observed. Z and W chromosome represented by first sm and third m pairs. |
|
| Chromosome staining/banding/FISH | Three Ag-NOR-bearing chromosome pairs detected in H. spilomma, one at terminal regions of long arm of chromosome pairs 2, 18 and other at terminal end of short arm of chromosome pair 3. |
|
| Reference(s) |
Oliveira RR, Souza IL, Venere PC (2006). Karyotype description of three species of Loricariidae (Siluriformes) and occurrence of the ZZ/ZW sexual system in Hemiancistrus spilomma Cardoso & Lucinda, 2003. Neotropical Ichthyology, 4(1): 93-97. |
|