General information |
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| Corydoras ehrhardti (Steindachner, 1910) | ||
| Synonyms |
- |
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| IUCN Red List status (2014) | Least Concern (LC) |
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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 |
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| Occurrence | Native: Brazil |
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| Importance | ||
| Remarks | FISH with 18S & 5S rDNA probes showed a syntenic location on terminal and proximal positions of long arm of metacentric pair 3. Telomeric probe (TTAGGG)n showed uniform signals on telomeres of all chromosomes. |
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Karyological information |
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| Geographical area of study | Verde River (Tibagi basin-Upper Paraná River, Ponta Grossa, PR, Brazil. | |
| Source of chromosomes | Kidney |
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| Number of specimens with sex | 24 |
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| Diploid chromosome number | 44 |
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| Karyotype formula | 18m+26sm |
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| Fundamental arm number | 88 |
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| Chromosome length | - |
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| Sex chromosome | - |
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| Chromosome staining/banding/FISH | Large blocks of pericentromeric heterochromatin on metacentric pairs 3, 5, 6, and 8 and submetacentric pairs 10, 14, and 17 observed. |
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| Reference(s) |
PatrÃcia Barbosa P, Pucci MB, Nogaroto V, Almeida MC, Artoni RF, Vicari MR (2017). Karyotype analysis of three species of Corydoras (Siluriformes: Callichthyidae) from southern Brazil: rearranged karyotypes and cytotaxonomy. Neotropical Ichthyology, 15(1): e160056. |
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