Astyanax eigenmanniorum ';
General information
 
Astyanax eigenmanniorum (Cope, 1894)
 
 
Common nameLambari
Synonyms
Tetragonopterus eigenmanniorum Cope, 1894
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; Uruguay
Occurrence Native: Brazil, Argentina, Uruguay
Importance
Food
Remarks
Nil
Karyological information
Geographical area of study Saco da Alemoa, Eldorado do Sul/Hydrographic system from Laguna dos Patos, Brazil
Source of chromosomes
Air drying technique and lymphocyte culture
Number of specimens with sex
11 ( 02 males; 09 females)
Diploid chromosome number
48
Karyotype formula
10m+16sm+10st+12a
Fundamental arm number
84
Chromosome length
Not reported
Sex chromosome
Not detected
Chromosome staining/banding/FISH
C-banding pericentromeric; Ag-NORs on short arms of 3 chromosome pairs; FISH showed variation of ribosomal sites.
Reference(s)
Piscor D,Alves AL, Parise-Maltempi PP (2015).Chromosomal Microstructure Diversity in Three Astyanax (Characiformes, Characidae) Species: Comparative Analysis of the Chromosomal Locations of the 18S and 5S rDNAs.Zebrafish, 12(1):81-90.