First report of four characiform fishes (Ostariophysi: Characiformes) for Uruguay

In this article the authors present the first report of four characiform fish species for Uruguay, extending their current distribution to the middle and lower Uruguay River basin: Astyanax saguazu Casciotta, Almiron and Azpelicueta, 2003; Hypobrycon poi Almiron, Casciotta, Azpelicueta and Cione, 2001; Leporinus amae Gody, 1980; Cyphocharax saladensis (Meinken, 1933). These species were previously recorded from either the upper Uruguay River, Patos-Merin lagoon system or Parana River. Color pattern in life for A. saguazu and H. poi are described for the first time.