Hemidactylus frenatus

Basic information
Scientific name	Hemidactylus frenatus	Click to magnify
Major synonym	Hemidactylus okinawensis, Pnoepus frenatus
Common names	house gecko
Higher taxon	Gekkonidae, Sauria (Lacertilia), Squamata, Reptilia
Natural range	Unknown.
Habitat	Crop field, some kind of farm area, urban area.

Invasion information
Range in Japan	Major islands in Amami, Okinawa, Daito, Sakishima, and Ogasawara Islands.
Origin	Unknown.
Date	Unknown.
Route	Accidental: With building material or garden tree, etc. There is a record of observation in a cargo and passenger ship between Kyushu and Okinawajima Island.
Impact	Unknown. Predation of insects and competition with native reptiles possibly occur. Native organism(s) affected: Insects (predation). Arboreal geckos and lizards.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Worldwide in tropical and subtropical area, except inland region.

Reference

Notes

Maenosono & Toda (2007) Distribution of amphibians and terrestrial reptiles in the Ryukyu Archipelago: A review of published records. Akamata. 18, 28-46 (in Jpn)
Ota et al. (2004) Feral population of amphibians and reptiles in the Ryukyu Archipelago, Japan. Global Environmental Research. 8(2):133-143
Sengoku et al. (eds) (1996) The Encyclopedia of Animals in Japan 5 Amphibians, Reptiles, Chondrichthyes. Heibonsha, Tokyo (in Jpn)
Takahashi (2005) A case of artificial overseas dispersal of Hemidactylus frenatus. Bull Herpetol Soc Jpn. 2005(2):116-119. (in Jpn)