Pisces, Perciformes, Eleotridae, Dormitator maculatus (Bloch, 1792): Distribution extension for Patos-Mirim lagoon system, state of Rio Grande do Sul, Brazil.

We present here the record of Dormitator maculatus (Bloch, 1792) to the Patos-Mirim lagoon system, RioGrande do Sul, Brazil. This is also the southernmost occurrence in South America, extending species range ca. 150 km fromthe previously known localities.