Cyanocharax alburnus – first record from Argentina

Crenicichla ypo sp.nov. from Misiones, Argentina

Crenicichla yjhui sp.nov. from Misiones, Argentina

Crenicichla yaha sp.nov. from Misiones, Argentina

Crenicichla tesay sp.nov. from Misiones, Argentina

Crenicichla tuca sp.nov. from Misiones, Argentina

Crenicichla tapii sp.nov. from Misiones, Argentina

Crenicichla taikyra sp.nov. from Argentina

Ctenobrycon multiradiatus – not a species from Argentina

Peckoltia vittata – not a species from Argentina