Leporinus inexpectatus – first record from Paraguay

Osteogaster aenea – comb.nov. from Corydoras

Gastrodermus undulatus – comb.nov. from Corydoras

Gastrodermus hastatus – comb.nov. from Corydoras

Brochis britskii – comb.nov. from Corydoras

Hoplisoma diphyes – comb.nov. from Corydoras

Hoplisoma polystictum – comb.nov. from Corydoras

Sturisoma barbatum is a sr. synonym of S. robustum

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

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