Complex sentence: The Stenodactylus Petrii, or dune gecko, is a small, mostly nocturnal gecko with large, interesting, eyes, which have earned it the nickname "frog-eyed" gecko.
Split into simpler sentences: The Stenodactylus Petrii, or dune gecko, is a small, mostly nocturnal gecko of the genus Stenodactylus. It has large, interesting, eyes, which have earned it the nickname "frog-eyed" gecko.