The mangrove semaphore gecko (Pristurus obsti), also known commonly as Obst's rock gecko, is a species of lizard in the family Sphaerodactylidae. The species is endemic to Socotra Island.
The specific name, obsti, is in honor of German herpetologist Fritz Jürgen Obst (1939âÂÂ2018).
Pristurus obsti is only found on Socotra Island, which is part of Yemen
The preferred natural habitats of Pristurus obsti are shrubland, savanna, and forest, at elevations of .
Pristurus obsti is arboreal.
Pristurus obsti is oviparous.