General information |
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| Astyanax fasciatus G. Cuvier, 1819 | ||
| Common name | Banded astyanax | |
| Synonyms |
Chalceus fasciatus Cuvier, 1819 Astyanax fasciatus fasciatus (Cuvier, 1819) Astianax fasciatus (Cuvier, 1819) Tetragonopterus rutilus Jenyns, 1842 Tetragonopterus viejita Valenciennes, 1850 Salmo lambari Natterer, 1859 Tetragonopterus panamensis Gunther, 1864 Tetragonopterus humilis Gunther, 1864 Tetragonopterus microphthalmus Gunther, 1864 Tetragonopterus finitimus Bocourt, 1868 Tetragonopterus belizianus Bocourt, 1868 Tetragonopterus cobanensis Bocourt, 1868 Tetragonopterus oaxacanensis Bocourt, 1868 Astyanax carolinae Gill, 1870 Tetragonopterus oerstedii Lutken, 1875 Tetragonopterus orstedii Lutken, 1875 Tetragonopterus cuvieri Lutken, 1875 Tetragonopterus rutilus jequitinhonhae Steindachner, 1877 Astyanax albeolus Eigenmann, 1908 Tetragonopterus macrophthalmus Regan, 1908 Astyanax regani Meek, 1909 Astyanax grandis Meek & Hildebrand, 1912 Astyanax heterurus Eigenmann & Wilson, 1914 Astyanax aeneus costaricensis Meek, 1914 Astyanax hanstroemi Dahl, 1943 Astyanax fasciatus orteguasae Fowler, 1943 |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | Freshwater |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characidae. |
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| Geographical distribution | Mexico; Brazil; Argentina; Colombia; Venezuela; Uruguay; Panama; Costa Rica; Guatemala; Belize |
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| Occurrence | Native: Mexico, Brazil, Argentina, Colombia, Venezuela, Uruguay, Panama, Costa Rica, Guatemala, Belize |
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| Importance | ||
| Remarks | ||
Karyological information |
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| Geographical area of study | Mogi Guaca River, Brazil | |
| Source of chromosomes | Kidney and gills |
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| Number of specimens with sex | 1 male and 1 non-determined sex |
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| Diploid chromosome number | 46 |
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| Karyotype formula | 32m/sm+14st/a |
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| Fundamental arm number | 78 |
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| Chromosome length | ||
| Sex chromosome | ||
| Chromosome staining/banding/FISH | Ag NORs location: distal portion of the short arm of 2 SM; 5S probe hybridization: pericentromeric region of 2 M and of 2 A; 28S probe hybridization: distal portion of the short arm of 2 SM; co-localize with the 5S in 2 M and 2 A. |
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| Reference(s) |
Almeida-Toledo LF, Ozouf-Costaz C, Foresti F, Bonillo C, Porto-Foresti F, Daniel-Silvaa MFZ (2002). Conservation of the 5S-bearing chromosome pair and co-localization with major rDNA clusters in five species of Astyanax (Pisces, Characidae). Cytogenet. Genome Res., 97: 229–233.
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