General information |
||
Astyanax bimaculatus (Linnaeus, 1758) | ||
Common name | Twospot 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. |
|