General information |
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| Bryconamericus cf. ecai (da Silva, 2004) | ||
| 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; Characiformes; Characidae. |
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| Geographical distribution | - |
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| Occurrence | - | |
| Importance | ||
| Remarks | 18S rDNA confirmed localization of NORs and evidenced extra cistrons in terminal region of short arm of acrocentric chromosomes pair 25, in both cases syntenic to 5S rDNA cistrons. |
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Karyological information |
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| Geographical area of study | Biguá Stream, Upper Uruguay River basin (State of Santa Catarina), Brazil. | |
| Source of chromosomes | Kidney. |
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| Number of specimens with sex | 6 (1 male, 5 female) |
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| Diploid chromosome number | 52 |
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| Karyotype formula | 10m+16sm+14st+12a |
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| Fundamental arm number | 92 |
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| Chromosome length | - |
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| Sex chromosome | - |
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| Chromosome staining/banding/FISH | Single NORs located in terminal region of subtelocentric chromosomes pair 16. C-bands present in pericentromeric region of most chromosomes, interstitial in long arm of submetacentric chromosome pair 10 and terminal regions in metacentric chromosomes pairs 1 and 2 (both arms), submetacentric pair 10, subtelocentric pairs 14, 15 and 16, and acrocentric pairs 21, 24 and 26 (only in long arm for all). |
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| Reference(s) |
Prestes AB, Nardelli A, Paiz LM, Gavazzoni M, Margarido VP. (2019). Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae). Neotropical Ichthyology, 17(3): e190057. |
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