Geophagus proximus ';
General information
 
Geophagus proximus (Castelnau, 1855)
 
 
Common nameAcará roi roi
Synonyms
Chromys proxima Castelnau, 1855
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
Brazil; Peru
Occurrence Native: Brazil, Peru
Importance
Food/ornamental
Remarks
Nil
Karyological information
Geographical area of study Das Mortes river, Araguaia basin, MT State, Brazil.
Source of chromosomes
Kidney cells.
Number of specimens with sex
9 (2 male, 4 female, 3 unidentified)
Diploid chromosome number
48
Karyotype formula
4m/sm+44st/a
Fundamental arm number
-
Chromosome length
-
Sex chromosome
-
Chromosome staining/banding/FISH
C-bands present on pericentromeric regions. One pair of Ag-NOR sites observed. C-blocks corresponded to AgNOR sites and also were consistent with CMA3 positive blocks.
Reference(s)
Valente GT, Vitorino Cde A, Cabral-de-Mello DC, Oliveira C, Souza IL, Martins C, Venere PC (2012). Comparative cytogenetics of ten species of cichlid fishes (Teleostei, Cichlidae) from the Araguaia River system, Brazil, by conventional cytogenetic methods. Comp Cytogenet. 6(2): 163-181.