Cichlasoma scitulum sp.nov. from Argentina and Uruguay

Cheirodon ibicuhiensis – confirmed for Argentina

Characidium serrano – first record from Argentina

Characidium heirmostigmata – first record from Argentina

Characidium borellii – valid and from Argentina

Cetopsorhamdia iheringi – first record from Argentina

Cetopsis starnesi – first record from Argentina

Cetopsis coecutiens – not a species from Argentina

Cambeva ytororo comb.nov. from Trichomycterus

Cambeva stawiarski comb.nov. from Trichomycterus