Astyanax bimaculatus ';
General information
 
Astyanax bimaculatus (Linnaeus, 1758)
 
 
Common nameTwospot astyanax, Machadinha
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characidae.
Geographical distribution
Brazil; Argentina; Colombia; Peru; Venezuela; Ecuador; Uruguay; Guyana; Suriname; French Guiana; Panama; Trinidad and Tobago
Occurrence Native: Brazil, Argentina, Colombia, Peru, Venezuela, Ecuador, Guyana, Suriname, French Guiana, Panama, Trinidad and Tobago
Questionable: Uruguay
Importance
Remarks
-
Karyological information
Geographical area of study Venezuela.
Source of chromosomes
Kidney tissue.
Number of specimens with sex
-
Diploid chromosome number
50
Karyotype formula
4m+6sm+28st+12a
Fundamental arm number
88
Chromosome length
-
Sex chromosome
-
Chromosome staining/banding/FISH
-
Reference(s)
Nirchio M, Rossi AR, Foresti F, Oliveira C (2014). Chromosome evolution in fishes: a new challenging proposal from Neotropical species. Neotropical Ichthyology, 12(4): 761-770.