Astyanax aramburui sp.nov. from Argentina

Astyanax – 5 species are not from Argentina

Astronotus crassipinnis – a species from Argentina

Apistogramma trifasciata confirmed for Argentina

Aphyocharax nattereri is a sr. synonym of A. paraguayensis

Apareiodon vittatus – first record from Argentina

Ancistrus taunayi – first records from Argentina

Ancistrus mullerae – first record from Argentina

Amaralia oviraptor sp.nov. from Argentina

Amaralia hypsiura – not a species from Argentina