Psalidodon anisitsi comb.nov. from Hyphessobrycon

Psalidodon – 30 comb.nov. from Astyanax

Deuterodon luetkenii comb.nov. from Hyphessobrycon

Moenkhausia bonita – first record from Paraguay

Schizodon altoparanae – first record from Paraguay

Pinirampus argentina comb.nov. from Megalonema

Corydoras undulatus – first record from Paraguay

Gymnotus cuia sp.nov. from Argentina, Paraguay and Uruguay