| General information |
|
Pimelodus maculatus Lacepede, 1803 |
|
| |
|
| Common name | Mandi |
| Synonyms |
Pimelodus clarias maculatus Lacepede, 1803 |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Pimelodidae. |
| Geographical distribution |
Brazil; Argentina; Uruguay |
| Occurrence |
native: Brazil; native: Argentina; native: Uruguay |
| Karyological information |
| Record 1 |
| Geographical area of study |
Paraguai River, in Corumbia/ MS, Brazil |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
07 (04 male; 03 female) |
| Diploid chromosome number |
56 |
| Karyotype formula |
Not reported |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
Ag-NOR signal present at terminal position in a pair of st chromosome at long arm. CMA3 staining corresponded with AgNOR sites. One chromosome pair contained 18S rDNA signal. |
| Reference |
Souza L, Swarca AC, Dias A L (2004). Analysis of the nucleolus organizer regions in 5 species of the genus Pimelodus (Siluriformes, Pimelodidae), using AgNO3, CMA3 and FISH with the 18S rDNA probe. Caryologia, 57(2): 144-150. |
| Record 2 |
| Geographical area of study |
Lago Guaiba,Porto Alegre, Rio Grande do Sul,Brazil |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
05 (males-02, female-01; unsexed-02) |
| Diploid chromosome number |
56 |
| Karyotype formula |
24m+20sm+6st+6a |
| Fundamental arm number |
106 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
Ag-NORs were localized terminally on a subtelocentric pair 24 and confirmed by CMA3 staining |
| Reference |
Treco FR, R. Malabarba L, Giuliano-Caetano L, Dias AL (2008). Cytogenetic study of two species of the family Pimelodidae (Siluriformes) collected in Lago Guaiba, Porto Alegre, Rio Grande do Sul, Brazil. Neotrophical Ichthyology, 6(1): 87-92. |
| Cross Link |