New Gecko (IMAGE) California Academy of Sciences Caption Hemidactylus principensis is a new species of gecko from Principe island, off the west coast of Africa. It was long thought to be the same species as Hemidactylus greeffi, found on neighboring Sao Tome island. It is one of 137 new species described by the California Academy of Sciences in 2012. Credit California Academy of Sciences Usage Restrictions May only be used in connection with the associated press release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.