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 Serrapinnus notomelas ( Eigenmann, 1915 ) Figure 3I Original description. Cheirodon notomelas Eigenmann 1915: 74 . Material examined. BRAZIL • 1, 20.9 mm SL; São Paulo state , Pongaí , Córrego Água Grande ; 21°41′31″S , 049°20′31″W ; 12 May 2018 ; leg. Silva G.S.C. and Reia L. ( LBP 26512 ) • 3, 21.5−29.1 mm SL; São Paulo state , Pon- gaí, Córrego Saltinho ; 21°44′02″S , 049°21′18″W ; 12 May 2018 ; leg. Silva G.S.C. and Reia L. ( LBP 26518 ) • 10, 17.3−27.6 mm SL; São Paulo state , Pongaí , Ribeirão Su- curizinho; 21°43′39″S , 049°18′54″W ; 12 May 2018 ; leg. Silva G.S.C. and Reia L. ( LBP 26529 ) . Identification. Body deep; mouth terminal; premax- illa with five penta- to heptacuspidate teeth in a single row; two hepta- to octacuspidate teeth on maxilla; den- tary with six or seven octacuspidate teeth. Lateral line incomplete with seven or eight perforated scales; longi- tudinal series with 31 to 34 scales; five horizontal scale rows above lateral line; four horizontal scale rows be- low lateral line. Overall body coloration silver to orange; narrow midlateral dark stripe from posterior margin of opercle to caudal peduncle; caudal peduncle with con- spicuous dark spot extending to base of caudal-fin rays; dorsal fin with first rays and basal portion dark; pecto- ral, pelvic, anal, adipose, and caudal fins yellowish to orange; two yellowish patches on dorsal and ventral cau- dal-fin lobes.