Record of the genus Sicydium Valenciennes, 1837 (Gobiidae, Sicydiinae) from Brazil and extent of distribution of S. punctatum Perugia, 1896

Sicydium punctatum, previously known from Panamá, Caribbean islands, and coastal drainages of Venezuela, has a distribution that extends up to coastal drainages of Bahia state, Brazil. The genus Sicydium is formally recorded for Brazilian freshwaters. Comparisons are made between S. punctatum and other species of the genus based on data from the literature and presented here.