| General information |
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Hypostomus albopunctatus (Regan, 1908) |
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| Common name | Cascudo ferro |
| Synonyms |
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| 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; Argentina |
| Occurrence |
native: Brazil; native: Argentina |
| Importance |
Food/Ornamental |
| Karyological information |
| Record 1 |
| Geographical area of study |
Upper Parana basin, Piracicaba and Mogi Guau rivers, State of Sao Paulo, Brazil |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
10 (06 males; 04 females) |
| Diploid chromosome number |
74 |
| Karyotype formula |
10m+20sm +44st/a |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
AgNOR present on 4 chromosomes at la/t positions. |
| Reference |
Artoni RF, Bertollo LAC (1996). Cytogenetic studies on Hypostominae (Pisces, Siluriformes, Loricariidae). Considerations on karyotype evolution in the genus Hypostomus., Caryologia: International Journal of Cytology, Cytosystematics and Cytogenetics, 49:1, 81-90. |
| Record 2 |
| Geographical area of study |
Piquiri River, PR, Brazil. |
| Source of chromosomes |
- |
| Number of specimens with sex |
6 (3 male, 3 female) |
| Diploid chromosome number |
74 |
| Karyotype formula |
8m+14sm+16st+36a |
| Fundamental arm number |
- |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
Ag-NORs located in telomeric region of short arm of chromosome pair 35. Sometimes an additional signal observed on terminal region of long arm in only one homologues pair and one individual present on one chromosome of the pair with only a terminal mark on long arm. |
| Reference |
Bueno V, Venere PC, Zawadzki CH, Margarido VP (2013). Karyotypic diversification in Hypostomus Lacépede, 1803 (Siluriformes, Loricariidae): biogeographical and phylogenetic perspectives. Rev Fish Biol Fisheries, 23: 103–112. |
| Cross Link |