Hemigrammus tridens – first record from Argentina

Gymnogeophagus terrapurpura – first record from Argentina

Eurycheilichthys pantherinus – first record from Argentina

Geophagus sveni – first record from Argentina

Crenicichla semifasciata – confirmed for Argentina

Crenicichla mandelburgeri – first record from Argentina

Crenicichla lacustris – not a species from Argentina

Crenicichla jupiaensis – first record from Argentina

Crenicichla iguassuensis – confirmed for Argentina

Crenicichla hu sp.nov. from Misiones, Argentina