General information |
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Odontesthes regia (Humboldt, 1833) | ||
Common name | Chilean silverside, Pejerrey | |
Synonyms |
- |
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IUCN Red List status (2014) | Not Reported |
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Habitat | Saltwater and freshwater |
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Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; Ovalentaria; Atherinomorphae; Atheriniformes; Atherinopsidae. |
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Geographical distribution | Peru; Chile |
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Occurrence | Native: Peru, Chile |
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Importance | ||
Remarks | - |
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Karyological information |
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Geographical area of study | Coast of Iquique Bay, Chile | |
Source of chromosomes | - |
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Number of specimens with sex | 5 (2 females; 3 males) |
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Diploid chromosome number | 48 |
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Karyotype formula | 2sm+32st+14a |
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Fundamental arm number | 50 |
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Chromosome length | Not reported |
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Sex chromosome | Not reported |
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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. |
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Reference(s) |
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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