The Olm or "Human Fish" (Proteus anguinus), Slovenia, August 2018
Photographed in-situ with a Sony a6000, a Nauticam housing and Inon S-2000 strobes pointed to the side, not directly onto the animal. Photographed with wildlife officials present and with permission.
The olm or proteus is an aquatic salamander in the family Proteidae, the only exclusively cave-dwelling chordate species found in Europe. In contrast to most amphibians, it is entirely aquatic; it eats, sleeps, and breeds underwater. Living in caves found in the Dinaric Alps, it is endemic to the waters that flow underground through the extensive limestone bedrock of the karst of Central and Southeastern Europe, specifically southern Slovenia, the basin of the Soča River near Trieste, Italy, southwestern.. more