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AH_Olms (Proteus anguinus) - Slovenia_2419.jpg
The Olm or Proteus {Proteus anguinus} is a species of aquatic salamander and a true troglobite (living only in caves). Highly adapted to the cave environment, Olms generally lack any skin pigmentation and are blind, with atrophied eyes. They have advanced senses of taste, touch and smell as well as being able to detect weak electrical fields, allowing them to navigate the cave environment and locate their prey. They exhibit neoteny, meaning they retain larval characteristics into adulthood such as gills. This group was photographed at the entrace to a sink hole connecting to a cave system. Italy. March.