General information |
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| Aspidoras fuscoguttatus Nijssen & Isbrucker, 1976 | ||
| Synonyms |
Diplomystes viedmensis mesembrinus Ringuelet, 1982 |
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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; Callichthyidae. |
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| Geographical distribution | Brazil; Peru |
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| Occurrence | Native: Brazil Misidentification: Peru |
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| Importance | Food |
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| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Monte Alto; Mirassolandia, SP, Brazil | |
| Source of chromosomes | Kidney and gills |
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| Number of specimens with sex | 04 (02 males; 02 females) |
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| Diploid chromosome number | 44 |
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| Karyotype formula | 28M+ 12SM + 4ST |
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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 | Ag-NORs were present on the long arm of the acrocentric pair 9; heterochromtic blocks in centromeric regions of some chromosomes. |
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| Reference(s) |
Claudio O, Gosztonyi AE (2000). A cytogenetic study of Diplotnystes mesembrinus (Teleostei, Siluriformes, Diplomystidae) with a discussion of chromosome evolution in siluriforms, Caryologia: International Journal of Cytology, Cytosystematics and Cytogenetics, 53 (1): 31-37. |
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