Austrolebias univentripinnis – first record from Uruguay

Diapoma pampeana – new species from Uruguay

Psalidodon erythropterus – first record from Uruguay

Pseudocorynopoma stanleyi – first record from Uruguay

Oligosarcus robustus – first record from Uruguay

Aphyocharax rathbuni – first record from Uruguay

Xyliphius barbatus is a sr. synonym of X. lombarderoi

Rineloricaria isaaci sp.nov from the Uruguay river

Synbranchus doeringii – a justified emendation

Cichlasoma scitulum sp.nov. from Argentina and Uruguay