First record of Acestrorhynchus pantaneiro Menezes, 1992 (Characiformes, Acestrorhynchidae) in the system of the laguna dos Patos, Rio Grande do Sul, Brazil

Acestrorhynchus pantaneiro Menezes, 1992, belonging species in the basins of the Paraguay, lower Paraná, La Plata, and Uruguay rivers is registered in the Parque Estadual Delta do Jacuí, basin of the laguna dos Patos.

Acestrorhynchus pantaneiro; Acestrorhynchidae; fish; new record