Astyanax xiru Lucena, Castro & Bertaco (2013)

Paratypes: 1 lot, 2 specimens; MCN 19583, 2, 78.7–84.3 mm SL, arroio Feitoria, laguna dos Patos system, Sapiranga, Rio Grande do Sul State, Brazil, approx. 29°34’S 51°00’W, 15 March 1997, D. Jacobus & A. Fialho (Fig. 9).