Abstract
Since 1985, 17 established populations of P. clarkii have been recorded in Brazil, all located in the southeast region of São Paulo State (Magalhães et al., 2005; Loureiro et al., 2015). The specimens were introduced either accidentally or deliberately via the aquarium trade (Loureiro et al., 2015). The aim of this study is to present the first record of this species in Paraná State, southern Brazil, expanding its range of invasion in the country.

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