Freshwater shrimps (Crustacea, Decapoda, Caridea, Dendrobranchiata) from Roraima, Brazil: species composition, distribution, and new records

Abstract

This work provides an update on the species composition and distribution of freshwater shrimps from the state of Roraima, Brazil, based on material deposited in the Brazilian collections of the Instituto Nacional de Pesquisas da Amazônia (Manaus) and the Museu Integrado de Roraima (Boa Vista). A total of 12 species (1 Sergestidae, 3 Euryrhynchidae, and 8 Palaemonidae) are listed, of which 7 (Acetes paraguayensis Hansen, 1919; Euryrhynchus amazoniensis Tiefenbacher, 1978; E. burchelli Calman, 1907; E. wrzesniowskii Miers, 1877; Palaemon yuna Carvalho, Magalhães & Mantelatto, 2014; Pseudopalaemon chryseus Kensley & Walker, 1982; and Ps. gouldingi Kensley & Walker, 1982) are recorded for the first time from the state of Roraima. Maps of geographic distribution for all species known from the state are offered.