General information |
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| Astronotus ocellatus (Agassiz, 1831) | ||
| Common name | Oscar | |
| Synonyms |
Heterogramma ortmanni Eigenmann, 1912 Lobotes ocellatus Agassiz, 1831 Astronotus ocellatus ocellatus (Agassiz, 1831) Cychla rubroocellata Jardine & Schomburgk, 1843 Acara compressus Cope, 1872 Acara hyposticta Cope, 1878 Astronotus ocellatus zebra Pellegrin, 1904 |
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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; Euteleostei; Neoteleostei; Acanthomorpha; Acanthopterygii; Percomorpha; Perciformes; Cichlidae. |
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| Geographical distribution | Singapore; Ivory Coast; USA; Canada; Brazil; Argentina; Colombia; Peru; Venezuela; French Guiana; Hawaii; Puerto Rico; Guam |
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| Occurrence | Introduced: Singapore, Ivory Coast, USA, Hawaii, Puerto Rico, Guam Not established: Canada Native: Brazil, Argentina, Colombia, Peru, French Guiana Questionable: Venezuela |
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| Importance | Ornamental |
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| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Tiete river, Barra Bonita, Sao Paulo, Brazil | |
| Source of chromosomes | Kidney |
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| Number of specimens with sex | 9 |
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| Diploid chromosome number | 48 |
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| Karyotype formula | 12m/sm+36st/a |
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| Fundamental arm number | Not reported |
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| Chromosome length | Not reported |
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| Sex chromosome | Not detected |
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| Chromosome staining/banding/FISH | rDNA sites on 2 chromosome pairs (m/sm) |
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| Reference(s) |
Poletto AB, Ferreira IA, Cabral-de-Mello DC, Nakajima RT, Mazzuchelli J, Ribeiro HB, Venere PC, Nirchio M, Kocher TD, Martins C (2010). Chromosome differentiation Patterns During Cichlid Fish Evolution. BMC Genetics, 11: 50. |
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| Karyology remarks | ||