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 Trichomycterus poikilos Ferrer & Malabarba (2013) Paratypes : 2 lots, 5 specimens ; MCN 15679, 1 , 61.0 mm SL, arroio Erval on the road between Nova Araçá and São Jorge, rio Carreiro basin, Guabiju , Rio Grande do Sul , Brazil , 28°33’34”S 51°43’12”W , 16 April 1998 , W.R. Koch ( Fig. 31 ) . MCN 16089, 5 (1 c&s), 52.0– 60.9 mm SL, unnamed stream tributary to rio Jacuí , Estrela Velha , Rio Grande do Sul , Brazil , 29°10’20”S 53°09’27”W , 19 January 1999 , W.R. Koch & C.J. Mansan.