An updated list of the ichthyofauna of Ipanema National Forest, São Paulo, Brazil Author Smith, Welber Senteio Author Halcsik, Leticia Author Biagioni, Renata Cassemiro Author Pinheiro, Lúcio Antônio Stefani Author Severino Stefani, Marta text Check List 2021 2021-05-31 17 3 827 840 http://dx.doi.org/10.15560/17.3.827 journal article 10.15560/17.3.827 1809-127X Pterygoplichthys ambrosettii (Holmberg, 1893) Figure 2S Material examined. BRAZIL – São Paulo • Iperó , Hedberg Dam ; 23°25.40′S , 047°35.30′W ; 550 m alt; 08.II.2016 ; Smith W.S. and Halcsik L. ; cast nets; LEEF 151581 ( 9 spec. , 120.0−190.0 mm SL) . Identification. Deep body; inferior mouth; 11–15 rays on the dorsal fin; light spots all over the body, especially in the ventral region; body covered with plates ( Ota et al. 2018 ).