General information |
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| Serrasalmus cf. rhombeus (Linnaeus, 1766) | ||
| Common name | Redeye piranha, Piranha preta | |
| Valid name | Serrasalmus rhombeus (Linnaeus, 1766) | |
| Synonyms |
Salmo rhombeus Linnaeus, 1766 Serrasalmus niger Jardine, 1841 Serrasalmo immaculatus Cope, 1878 Serrasalmo paraense Steindachner, 1908 Serrasalmus paraense Steindachner, 1908 Serrasalmo humeralis gracilior Eigenmann, 1915 Serrasalmus boekeri Ahl, 1931 Serrasalmus normani Gery, 1964 Pygocentrus normani (Gery, 1964) |
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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; Characiformes; Serrasalmidae. |
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| Geographical distribution | Brazil; Colombia; Peru; Venezuela; Ecuador; Uruguay; Guyana; Suriname; French Guiana |
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| Occurrence | Native: Brazil, Colombia, Peru, Venezuela, Ecuador, Uruguay, Guyana, Suriname, French Guiana |
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| Importance | ||
| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Central Amazon at Catalao Lake, Marchantaria island, Anavilhanas and Uatuma River in Brazil | |
| Source of chromosomes | Kidney |
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| Number of specimens with sex | Not reported |
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| Diploid chromosome number | 60 |
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| Karyotype formula | 20m+24sm+6st+10a |
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| Fundamental arm number | 110 |
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| Chromosome length | Not reported |
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| Sex chromosome | Not reported |
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| Chromosome staining/banding/FISH | Multiple Ag-NORs/ 18S rDNA sites on short arms of st/a chromosomes; the 5SrDNA sites on a single chromosome pair. Conspicuous centromeric C- band on metacentric pair 7. |
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| Reference(s) |
Nakayama CM, Feldberg E, Bertollo LAC (2012). Karyotype differentiation and cytotaxonomic considerations in species of Serrasalmidae (Characiformes) from the Amazon basin. Neotropical Ichthyology, 10(1): 53-58. |
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