Origin Phelsuma madagascariensis grandis is native to Madagascar. Giant day geckos were introduced to the United States as escaped or intentionally released pets. Life Cycle Adult geckos grow up to 10 in. (25 cm) in length and are bright green in coloration. P. madagascariensis grandis are generalists in diet and mainly predate arthropods. Sexual maturity is reached at 1-2 years of age. During the breeding season, females lay multiple clutches of 2 eggs and hatch after 47-82 days. Young are independent after hatching. Life span of P. madagascariensis geckos in the wild is unknown.  Distribution P. madagascariensis grandis are found in Hawaii and Florida. Control Efforts The effects of P. madagascariensis grandis are unknown. https://www.saczoo.org/wp-content/uploads/2018/04/Madagascar-Giant-Day-Gecko.pdf https://animaldiversity.org/accounts/Phelsuma_madagascariensis/