Ichthyofauna of the ribeirão Sucuri, a tributary of the rio Tietê, upper rio Paraná basin, southeastern Brazil Author Reia, Lais Author S. da Costa e Silva, Gabriel Author Garcia-Ayala, James R. Author P. F. Vicensotto, Ana Maria Author Benine, Ricardo C. text Check List 2020 2020-06-16 16 3 711 728 http://dx.doi.org/10.15560/16.3.711 journal article 10.15560/16.3.711 1809-127X Moenkhausia bonita Benine, Castro & Sabino, 2004 Figure 3K Original description. Moenkhausia bonita Benine et al. 2004: 68 . Material examined. BRAZIL • 9, 24.7−28.2 mm SL; São Paulo state , Pongaí , Ribeirão Sucurizinho ; 21°43′39″S , 049°18′54″W ; 12 May 2018 ; leg. Silva G.S.C. and Reia L. (LBP 26528) 8, 15.6−29.5 mm SL; São Paulo state , Pon- gaí, Córrego Água Grande ; 21°41′31″S , 049°20′31″W ; 12 May 2018 ; leg. Silva G.S.C. and Reia L. (LBP 26511) . Identification. Body deep; mouth terminal; premaxil- lary teeth in two rows, inner row with five to six tetrato pentacuspidate teeth, outer row with four tricuspidate teeth; one to three tricuspidate teeth on maxilla; dentary with four anteriormost teeth larger, tri- to pentacuspidate. Lateral line incomplete with eight to ten perforated scales; longitudinal series with 32 or 33 scales; six hor- izontal scale rows above lateral line; three horizontal scale rows below lateral line. Overall body coloration silver to yellowish; silver midlateral stripe from ante- rior margin of opercle faint to caudal peduncle; caudal peduncle with a black lozenge-shaped spot extending to first half of middle caudal-fin rays; distal margin of both caudal-fin lobes black, except for their tips; dorsal por- tion of eyes orange; fins yellowish to reddish. Remarks. The specimens did not present a complete lateral line, as observed in the original description ( Benine et al. 2004 ). However, Vanegas-Ríos et al. (2019) analyzed populations of M. bonita from the Bermejo, Paraná, Paraguay , and Uruguay basins and determined that observed differences in body shape and complete- ness of lateral line are intraspecific variations. Hemigrammus marginatus Ellis, 1911 was the name used for the specimens from upper rio Paraná ; however, Ota et al. (2015) restricted this species to the basin of the rio São Francisco and rivers of northeastern Brazil . It is possible specimens of Hemigrammus marginatus collected by Serra et al. (2015) are M. bonita .