| General information |
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Odontesthes regia (Humboldt, 1833) |
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| Common name | Chilean silverside, Pejerrey |
| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Saltwater and freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; Ovalentaria; Atherinomorphae; Atheriniformes; Atherinopsidae. |
| Geographical distribution |
Peru; Chile |
| Occurrence |
native: Peru; native: Chile |
| Remarks |
- |
| Karyological information |
| Geographical area of study |
Coast of Iquique Bay, Chile |
| Source of chromosomes |
- |
| Number of specimens with sex |
5 (2 females; 3 males) |
| Diploid chromosome number |
48 |
| Karyotype formula |
2sm+32st+14a |
| Fundamental arm number |
50 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
AgNOR localized on pair 1 at tip of the short arms; 18S rDNA signals coincide with the AgNOR bearing chromosomes. C-bands on pericentromeric regions of all chromosomes, except a large positive interstitial band near the centromere in pair 6, and a large telomeric segments in chromosome pairs 3 and 7. |
| Reference |
Muñoz C, Nirchio M, Pérez JE, Oliveira ERC, Ferreira IA (2006). Cytogenetic characterization of the silverside fish Odontesthes regia (Humboldt, 1833) (Teleostei: Atheriniformes: Atherinopsidae) from Iquique, Chile. Revista de BiologÃa Marina y OceanografÃa. 41(1): 57 – 62.
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