General information |
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| Corydoras lacrimostigmata (Tencatt, Britto & Pavanelli, 2014) | ||
| Synonyms |
- |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | - |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Callichthyidae. |
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| Geographical distribution | - |
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| Occurrence | - | |
| Importance | ||
| Remarks | Telomeric probe (TTAGGG)n showed uniform signals on telomeres of all chromosomes. Additional small telomeric probe detected on interstitial telomeric sites on submetacentric pair 17, which matches the location of a heterochromatic block. |
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Karyological information |
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| Geographical area of study | Barra Grande River (Ivaà basin-Upper Paraná River, Prudentópolis, PR, Brazil. | |
| Source of chromosomes | Kidney |
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| Number of specimens with sex | 18 |
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| Diploid chromosome number | 58 |
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| Karyotype formula | 22m+36sm |
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| Fundamental arm number | 116 |
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| Chromosome length | - |
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| Sex chromosome | - |
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| Chromosome staining/banding/FISH | Pericentromeric heterochromatic blocks observed on metacentric pairs 2, 4, 6, and 11 and submetacentric pairs 14 and 19. Additionally, a small interstitial band detected on long arm of pair 17. FISH with 18S rDNA present at terminal region of short arm of submetacentric pairs 20 and 25, while 5S rDNA present at terminal end of long arm of metacentric pair 4. |
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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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