Serrapinnus notomelas ( Eigenmann, 1915 )

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

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.