Gymnophthalmus underwoodi (Smooth-scaled Worm Lizard). Distribution

Questel, Karl; Boggio, Jennifer

doi:10.31611/ch.36

Cited by 1 publication

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“…Kizirian and Cole (1999) suggested that G. underwoodi dispersed from South America to some Caribbean islands, since this species originated from the hybridization of two continental lineages and may have been transported through drift material from rivers that flow into the Caribbean Sea. Today, G. underwoodi is recognized to be invasive in several islands in the Lesser and Greater Antilles, where it can occur in sympatry with other native and non-native species of lizards (Orchard 2010;Turk et al 2010;Breuil and Serre-Collet 2012;Questel and Boggio 2012;Alfonso and Hernandez 2017;Snyder et al 2017).…”

Section: Discussionmentioning

confidence: 99%

Identity of Gymnophthalmus (Squamata: Gymnophthalmidae) from northeastern Amazonia with evidence for G. underwoodi as invasive in Belém

et al. 2021

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We report the occurrence of the lizard Gymnophthalmus underwoodi in the municipality of Belém, state of Pará, Brazil. This is the first record of that species south of the Amazonas River, probably because of an accidental introduction by ships that dock in Belém, the same pathway suggested for the recent introduction of another species of exotic lizard recently recorded in the city. We also determined the identity of some specimens of Gymnophthalmus from the states of Amapá and Pará through external morphology and molecular data, confirming that, until now, G. vanzoi is the only Gymnophthalmus occurring in the savanna enclaves of those states. Finally, we provide a new distribution map for the species of Gymnophthalmus, including the new occurrence record for G. underwoodi for the state of Pará, where it can be considered as an invasive species.

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