Austrolebias toba sp.nov. from Chaco, Argentina

Austrolebias robustus revalidated from synonymy with A. bellottii/elongatus

Austrolebias patriciae – first record from Argentina

Australoheros ykeregua sp.nov. from Misiones, Argentina

Australoheros kaaygua sp.nov. from Misiones, Argentina

Australoheros gen.nov. and 3 comb.nov. – A. facetus, A. tembe & A. scitulus

Australoheros angiru sp.nov. from Misiones, Argentina

Astyanax xiru – first record from Argentina

Astyanax tupi sp.nov. from Misiones, Argentina

Astyanax tumbayaensis sp.nov. from Jujuy