| General information |
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Astronotus ocellatus (Agassiz, 1831) |
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| 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 |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Euteleostei; Neoteleostei; Acanthomorpha; Acanthopterygii; Percomorpha; Perciformes; Cichlidae. |
| Geographical distribution |
Singapore; Ivory Coast; USA; Canada; Brazil; Argentina; Colombia; Peru; Venezuela; French Guiana; Hawaii; Puerto Rico; Guam |
| Occurrence |
introduced: Singapore; introduced: Ivory Coast; introduced: USA; not established: Canada; native: Brazil; native: Argentina; native: Colombia; native: Peru; questionable: Venezuela; native: French Guiana; introduced: Hawaii; introduced: Puerto Rico; introduced: Guam |
| Importance |
Ornamental |
| Karyological information |
| Record 1 |
| Geographical area of study |
Tiete river, Barra Bonita, Sao Paulo, Brazil |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
9 |
| Diploid chromosome number |
48 |
| Karyotype formula |
12m/sm+36st/a |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
rDNA sites on 2 chromosome pairs (m/sm) |
| Reference |
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. |
| Karyology remarks |
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| Record 2 |
| Geographical area of study |
Miranda MS, Manaus AM, Brazil |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
20 (11 males; 09 female) |
| Diploid chromosome number |
48 |
| Karyotype formula |
12m/sm+36st/a |
| Fundamental arm number |
60 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
Not reported |
| Reference |
Thompson KW (1979). Cytotaxonomy of 41 species of Neotropical Cichlidae. 4:679-691. |
| Record 3 |
| Geographical area of study |
Not reported |
| Source of chromosomes |
Gill |
| Number of specimens with sex |
01 females |
| Diploid chromosome number |
48 |
| Karyotype formula |
6msm+42stt |
| Fundamental arm number |
54 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
|
| Reference |
Thompson KW (1979). Cytotaxonomy of 41 species of Neotropical Cichlidae. 4:679-691. |
| Cross Link |