| General information |
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Steindachneridion scriptum (Miranda Ribeiro, 1918) |
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| Common name | Bocudo |
| Valid name |
Steindachneridion scriptum (Miranda Ribeiro, 1918) |
| Synonyms |
- |
| 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 |
| Importance |
Commercial, aquaculture |
| Remarks |
|
| Karyological information |
| Geographical area of study |
Upper Paraná basin (Paranapanema and Tibagi Rivers, Paraná State) Brazil |
| Source of chromosomes |
Lymphocyte culture |
| Number of specimens with sex |
6 |
| 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 |
The NORs were present on one pair of chromosomes. The 5S rDNA genes were identified in the subterminal region on the short arm of the first subtelocentric pair after FISH. |
| Reference |
Swarça AC, Fenocchio AS, Cestari MM, Dias AL (2009). Localization and characterization of the 5S rDNA bearing chromosome in two Steindachneridion species by means of different cytogenetic techniques. Cytologia, 74(3): 323–327. |
| Cross Link |