Type catalog from the fish collection of the Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul, Brazil Author Bertaco, Vinicius A. Author Azevedo, Marco A. text Zootaxa 2018 2018-03-08 4392 1 83 100 journal article 30572 10.11646/zootaxa.4392.1.4 b5e4dddc-60d0-408c-b6ec-9e3fd219b33d 1175-5326 1195111 940DC8FD-7A1C-454D-917F-C2927B56A46D 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 ).