General information |
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| Hoplias brasiliensis (Spix & Agassiz, 1829) | ||
| 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; Characoidei; Erythrinidae. |
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| Geographical distribution | - |
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| Occurrence | - | |
| Importance | ||
| Remarks | 18S rDNA site present on one submetacentric chromosome pair, along with four additional 18S rDNA sites. One chromosome pair bears 5S rDNA site. (GA)15 and (CA)15 microsatellite mapping on chromosome showed scattered signals and a remarkable accumulation in subtelomeric regions of all chromosomes. |
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Karyological information |
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| Geographical area of study | Grao Mogol, Itacambirucu River, Jequitinhonha River Basin, Brazil. | |
| Source of chromosomes | Anterior kidney cells. |
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| Number of specimens with sex | 10 (8 male, 2 female) |
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| Diploid chromosome number | 50 |
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| Karyotype formula | 20m+30sm |
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| Fundamental arm number | 100 |
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| Chromosome length | - |
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| Sex chromosome | - |
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| Chromosome staining/banding/FISH | Ag-NORs sites present on one submetacentric chromosome pair. CMA3 positive sites present on four chromosome pairs at centromeric regions. C-positive heterochromatin blocks observed in centromeric region of all chromosomes and in terminal region of some chromosome pairs. |
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| Reference(s) |
de Oliveira EA, Bertollo LAC, Yano CF, Liehr T, de Bello Cioffi M. (2015). Comparative cytogenetics in the genus Hoplias (Characiformes, Erythrinidae) highlights contrasting karyotype evolution among congeneric species. Mol. Cytogenet., 8: 56. |
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