General information |
||
| Genidens genidens (Cuvier, 1829) | ||
| Common name | Guri sea catfish, Bagre urutu | |
| Synonyms |
Pimelodus genidens Cuvier, 1829 Bagrus genidens (Cuvier, 1829) Genidens cuvieri Castelnau, 1855 Genidens granulosus Castelnau, 1855 Genidens valenciennesii Bleeker, 1858 |
|
| IUCN Red List status (2014) | Least Concern (LC) |
|
| Habitat | Saltwater |
|
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Ariidae |
|
| Geographical distribution | Brazil; Argentina; Uruguay |
|
| Occurrence | Native: Brazil, Argentina, Uruguay |
|
| Importance | Food |
|
| Remarks | Nil |
|
Karyological information |
||
| Geographical area of study | Antonina bay and Pontal do Parana, Parana, Brazil | |
| Source of chromosomes | Kidney |
|
| Number of specimens with sex | 21 (11 male; 10 female) |
|
| Diploid chromosome number | 56 |
|
| Karyotype formula | 14m+22sm16st+4a |
|
| Fundamental arm number | ||
| Chromosome length | Not reported |
|
| Sex chromosome | Not detected |
|
| Chromosome staining/banding/FISH | C- banding, Presence of single labels of NOR in the terminal region of the short arms of chromosome pair 13, CMA3 staining |
|
| Reference(s) |
Sczepanski TS, Noleto RB, Cestari MM, Artoni RF (2010). A comparative study of two marine catfish (Siluriformes, Ariidae): Cytogenetic tools for determining cytotaxonomy and karyotype evolution. Micron, 41: 193-197. |
|