General information |
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| Steindachneridion scriptum (Miranda Ribeiro, 1918) | ||
| Common name | Bocudo | |
| Valid name | Steindachneridion scriptum (Miranda Ribeiro, 1918) | |
| Synonyms |
- |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | Freshwater |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Pimelodidae. |
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| Geographical distribution | Brazil; Argentina; Uruguay |
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| Occurrence | Native: Brazil, Argentina, Uruguay |
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| Importance | Commercial, aquaculture |
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| Remarks | ||
Karyological information |
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| Geographical area of study | Upper Paraná basin (Paranapanema and Tibagi Rivers, Paraná State) Brazil | |
| Source of chromosomes | Lymphocyte culture |
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| Number of specimens with sex | 6 |
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| Diploid chromosome number | 56 |
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| Karyotype formula | Not reported |
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| Fundamental arm number | Not reported |
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| Chromosome length | Not reported |
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| Sex chromosome | Not reported |
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| 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. |
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| Reference(s) |
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. |
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