Ancistrus mullerae – first record from Argentina

Amaralia oviraptor sp.nov. from Argentina

Amaralia hypsiura – not a species from Argentina

Acrobrycon ipanquianus is a sr. synonym of A. tarijae

Zungaro jahu – Paulicea gigantea is an overlooked jr. synonym

Pseudostegophilus maculatus comb.nov. from Parastegophilus

Pimelodus argenteus is a sr. synonym of P. brevis

Megaleporinus obtusidens comb.nov. from Leporinus

Markiana nigripinnis is a sr. synonym of Tetragonopterus anomalus

Jenynsia lineata is a sr. synonym of J. multidentata