Astyanax altiparanae

The Astyanax altiparanae lives in the benthopelagic, freshwater environment.

Fourteen Astyanax altiparanae specimens were analyzed cytogenetically. The diploid number was equal to 50 chromosomes but different karyotype formulae were evidenced presenting three cytotypes : cytotype 1 with 10M+26SM+4ST+10A (NF=90), cytotype 2 with 10M+24SM+4ST+12A (NF=88) and cytotype 3 with 10M+22SM+4ST+14A (NF=86). More

Key words: Astyanax altiparanae, fluorescence in situ hybridization (FISH), 18S rDNA, 5S rDNA, sequential Ag-NOR. INTRODUCTION Piscine nucleolar organizer regions (NORs) have been extensively analyzed using silver nitrate staining (Ag-NOR) due to the simplicity of this technique. More

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Identification of Astyanax altiparanae (Teleostei, Characidae) in the Igua More

multiple NORs in an Astyanax altiparanae population (Pisces, Tetragonopterinae). Chrom Sci 5:109-114. Pazza R, Kavalco KF and Bertollo LAC (2006) Chromosome polymorphism in Astyanax fasciatus (Teleostei, Characidae). 1. More

Hoplias malabaricus, Astyanax fasciatus and Astyanax altiparanae were captured in 69.2% of the collected samples. These species were also widely distributed in streams, rivers, lagoons and reservoir of the basin (Table 3). More

Order : Characiformes
Family : Characidae
Genus : Astyanax
Species : Astyanax altiparanae
Authority : Garutti & Britski, 2000