Abstract
In this study we review the records regarding occurrence of Hemidactylus mabouia Moreau De Jonnès, 1818 in Brazil, looking for records of the species in natural habitats, in order to assess the present status of this gecko as an exotic or invasive alien species in the country. We surveyed the available records of H. mabouia living in natural conditions, considering secondary data obtained from the literature, supplemented with original field records obtained by the authors during fieldwork. We found a total of 36 records in the literature and/or field records reporting the occurrence of H. mabouia in natural habitats in 36 different localities in 13 Brazilian states. The states presenting a higher number of records were Rio de Janeiro (seven), Bahia, São Paulo (six), and Espírito Santo (five different areas). We show that the invasion of Brazilian natural habitats by H. mabouia has taken place for some decades. Presently we have consistent records that it has invaded natural habitats in 13 Brazilian states. This suggests thatit is important to start monitoring H. mabouia in order to measure the rate and effectiveness of its establishment in natural habitats in Brazil and also to evaluate the potential negative effects of this invasion on sympatric species.
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