Creagrutus beni – not a species from Argentina

Corydoras petracinii sp.nov. from Salta, Argentina

Corydoras longipinnis sp.nov. from Argentina

Corydoras gladysae sp.nov. from Salta, Argentina

Corydoras ehrhardti – first record from Argentina

Cnesterodon raddai sp.nov. from Formosa, Argentina

Cnesterodon pirai sp.nov. from Misiones, Argentina

Synbranchus doeringii – a justified emendation

Clarias gariepinus – first record from Argentina

Cichlasoma scitulum sp.nov. from Argentina and Uruguay