Piabarchus stramineus ( Eigenmann, 1908 )

Reia, Lais, S. da Costa e Silva, Gabriel, Garcia-Ayala, James R., P. F. Vicensotto, Ana Maria & Benine, Ricardo C., 2020, Ichthyofauna of the ribeirão Sucuri, a tributary of the rio Tietê, upper rio Paraná basin, southeastern Brazil, Check List 16 (3), pp. 711-728 : 719

Piabarchus stramineus ( Eigenmann, 1908)

Figure 3F

Original description. Bryconamericus stramineus Eigenmann 1908: 105 .

Material examined. BRAZIL • 2, 46.3−47.0 mm SL; São Paulo state, Pongaí, Ribeirão Sucuri ; 21°44′19″S, 049°21′56″W; 12 May 2018; leg. Silva G.S.C. and Reia L. (LBP 26497) • 3, 38.4−42.6 mm SL; São Paulo state, Pongaí, Córrego da Aldeia ; 21°42′57″S, 049°21′26″W; 12 May 2018; leg. Silva G.S.C. and Reia L. (LBP 26513) .

Identification. Body deep; mouth terminal; premaxil- lary teeth in two rows, inner row with four pentacuspidate teeth, outer row with three to five tricuspidate teeth; one to two tricuspidate teeth on maxilla; dentary with four anteriormost teeth larger, pentacuspidate. Lateral line complete with 39 to 41 perforated scales; five horizontal scale rows above lateral line; three horizon- tal scale rows below lateral line. Overall body coloration silver to yellowish; conspicuous midlateral silver stripe from posterior margin of opercle to caudal-fin base; dark stripe in middle caudal-fin rays; dorsal, pectoral, pel- vic, anal, and caudal fins hyaline; adipose fin yellowish; margins of dorsal and ventral portion of caudal-fin lobes yellowish.