Odontesthes regia ';
General information
 
Odontesthes regia (Humboldt, 1833)
 
 
Common nameChilean 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, Chile
Importance
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(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 Biología Marina y Oceanografía. 41(1): 57 – 62.