Photo courtesy of Zach Truelock.
Description
Mediterranean geckos (Hemidactylus turcicus) are 4 to 5 inches long as adults. Their body color varies from whitish to pink or tan with brown blotches on the back. The tail often has dark crossbands that are more noticeable in young individuals and helpful for identification. These lizards have noticeably warty skin and large, bulging eyes with vertical pupils. They also have wide toe pads used for climbing. Collectively, these features make them relatively easy to distinguish from other lizards found in Indiana.
Status
Mediterranean geckos have been reported from several Indiana localities in both northern and southern Indiana, but it is not known how many established populations exist. The DNR is aware of two Indiana locations where Mediterranean geckos were observed for multiple years, indicating that they may be established. Further monitoring is needed to better understand the nature of Mediterranean geckos at these and other Indiana locations.
Help the Indiana DNR by Reporting Sightings
Because this species resides in and around buildings, Indiana residents may occasionally encounter them. Sightings, especially those backed by photographs, should be directed to HerpSurveys@dnr.IN.gov.
Indiana Range
Mediterranean geckos arrive at new sites by hitchhiking on shipments of cargo and plants. As such, this lizard could potentially be found anywhere in the state, although it is more likely to be found in cities.
Diet
Insects, spiders, and other invertebrates.
Habitat
This species lives almost exclusively in and around buildings. They are nocturnal, and during the warm season may be found near outdoor lights at night, where they feed on local insects. They can be found inside buildings any time of the year.
Management
Mediterranean geckos are the most widespread exotic lizard species in North America and have become established throughout much of the southern United States. In recent years, the lizard has been found at several Midwestern sites, but not all observations reflect established populations. Some involve one or two individual geckos that don't survive. Little is known about how this introduced non-native species affects local ecosystems. Mediterranean geckos usually occur in cities, and in northern areas like Indiana, require heated buildings to survive cold winters. These aspects of their biology limit their ability to move across the landscape and compete with native lizard species.