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 Acestrorhynchus lacustris (Lütken, 1875) Figure 2A Material examined. BRAZIL – São Paulo • Iperó , Verde River ; 23°26.35′S , 047°35.28′W ; 560 m alt.; 15.VI. 2016 ; W.S. Smith and L. Halcsik leg.; cast nets; MZUSP 115236 ( 15 spec. , 120.0−230.0 mm SL) . Identification. Body elongated; elongated snout; mouth terminal; rounded humeral stem; elongated humeral spot in the rays of the caudal fin; yellowish fins ( Ota et al. 2018 ).