Characidium serrano Buckup & Reis (1997)
Paratypes: 8 lots, 22 specimens; MCN 8704, 2, 47.2–48.4 mm SL, rio Pelotas in front of “balneário”, rio Uruguay drainage, Marcelino Ramos, Rio Grande do Sul, Brazil, 30 March 1987, S.D. Hahn & S.E. Rampazzo. MCN 8714, 1, 42.2 mm SL, rio Pelotas in front of “balneário”, rio Uruguay drainage, Marcelino Ramos, Rio Grande do Sul, Brazil, 31 March 1987, S.D. Hahn & S.E. Rampazzo. MCN 8924, 6, 42.6–48.6 mm SL, rio Pelotas in front of “balneário”, rio Uruguay drainage, Marcelino Ramos, Rio Grande do Sul, Brazil, 14 August 1987, S.E. Rampazzo & N. Melito (Fig. 3). MCN 9199, 1, (incorrectly listed as “ MCN 9119 ” in the original description), 50.6 mm SL, rio Ligeiro, near mouth, rio Uruguay drainage, Marcelino Ramos, Rio Grande do Sul, Brazil, 21 October 1987, K.M. Grosser. MCN 9192, 1, 51.1 mm SL, rio Pelotas, 5 km upstream from “balneário”, rio Uruguay, Marcelino Ramos, Rio Grande do Sul, Brazil, 20 October 1987, K.M. Grosser & S.E. Rampazzo. MCN 9229, 9, 41.1–46.6 mm SL, rio Pelotas in front of “balneário”, rio Uruguay drainage, Marcelino Ramos, Rio Grande do Sul, Brazil, 22 October 1987, S.E. Rampazzo & A. Butzke. MCN 9488, 1, 22.3 mm SL, rio Pelotas in front of “balneário”, rio Uruguay drainage, Marcelino Ramos, Rio Grande do Sul, Brazil, 14 January 1988, S.D. Hahn & K.M. Grosser. MCN 9527, 1, 34.3 mm SL, “ Lagoa Grande ”, rio Uruguay, Marcelino Ramos, Rio Grande do Sul, Brazil, 24 October 1987, K.M. Grosser & S.E. Rampazzo.
Remarks. The lot MCN 9199 was incorrectly listed as "MCN 9119" in the original description (Buckup & Reis, 1997:542).