Characidium koerberi – new species from Argentina

Characidium mariposita – new species from Argentina and Uruguay

Bunocephalus erondinae – first record from Uruguay

Characidium zebra – not a species from Argentina

Characidium lilloi – new species from Argentina

Phenacorhamdia bermejo – new species from Argentina

Arhinolemur is a senior synonym of Megaleporinus

Parascleronema gen.nov. – with comb.nov. from Scleronema

Mauri gen.nov. – with comb.nov. from Trichomycterus

Cyclothone pseudopallida – first record from EEZ of Argentina