Abstract
Abstract. Introduced species are major drivers of biodiversity loss worldwide. Several squamate taxa have become established outside of their native ranges after human-mediated transportation, becoming a conservation concern. We report on the occurrence of an exotic anole lizard in the Baixada Santista region in coastal Brazil. To clarify the species' identity and examine the geographic source of its introduction, we generated sequences of one mitochondrial DNA marker. The anole is genetically closest to species in the Anolis carolinensis group (Dactyloidae), which does not occur naturally in South America. Phylogenetic analyses found that samples from Brazil nest within A. porcatus, a Cuban species that has also been introduced into Florida and the Dominican Republic. Results indicate that Brazilian A. porcatus are nested among samples from La Habana, Matanzas, and Pinar del Rio, which may suggest a western Cuban source of introduction. Nevertheless, Brazilian samples also cluster closely with a sample f...
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