| General information |
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Hypostomus derbyi (Haseman, 1911) |
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| Common name | Cascudo |
| Synonyms |
Hypostomus spiniger (Hensel, 1870) |
| 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 |
| Karyological information |
| Geographical area of study |
Upper Iguacu river basin, Curitiba city, Parana, Brazil. |
| Source of chromosomes |
Anterior kidney |
| Number of specimens with sex |
05 (03 males; 02 females) |
| Diploid chromosome number |
66 |
| Karyotype formula |
6m+10sm+20st+30a |
| Fundamental arm number |
82 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not evident |
| Chromosome staining/banding/FISH |
C-banding revealed large heterochromatic blocks on some chromosome arms. Ag-NORs were detected on the short arm in up to two chromosome pairs and confirmed by FISH with the 18SrDNA probe |
| Reference |
Maurutto FAM, Manvailer LFS, Sczepanski TS, Cestari MM, Artoni RF (2012). Cytogenetic characterization of three allopatric species of Hypostomus Lacepede (1803) (Teleostei, Loricariidae), Caryologia: International Journal of Cytology, Cytosystematics and Cytogenetics, 65:4, 340-346. |
| Cross Link |