Argolebias stat.nov. – with comb.nov. from Austrolebias

Amatolebias gen.nov. – with comb.nov. from Austrolebias

Saxatilia lepidota – comb.nov. from Crenicichla

Doras punctatus – comb.nov. from Ossancora

Neofundulus paraguayensis is a sr. synonym of N. ornatipinnis

Synbranchus doeringii – a justified emendation

Corydoras aurofrenatus is a sr. synonym of C. ellisae

Loricaria holmbergi – first record from Paraguay

Psalidodon anisitsi comb.nov. from Hyphessobrycon

Psalidodon – 30 comb.nov. from Astyanax