Wild Wonders of Europe / Hodalic / Olm (Proteus anguinus) swimming in cave, Divje Jezero, Idrija, Slovenia, Vulnerable species

Daniel Heuclin / Olm (Proteus anguinus) Dinaric Alps, southern Europe, captive

Dietmar Nill / Olm {Proteus anguinus} Slovenia

Daniel Heuclin / Olm (Proteus anguinus) eggs on rock, captive, from Dinaric Alps, Europe, Vulnerable

Daniel Heuclin / Olm (Proteus anguinus) captive, from Dinaric Alps, Europe, Vulnerable

Daniel Heuclin / Olm (Proteus anguinus) captive, from Dinaric Alps, Europe, Vulnerable

Daniel Heuclin / Olm (Proteus anguinus) captive, from Dinaric Alps, Europe, Vulnerable

Wild Wonders of Europe / Hodalic / Olm (Proteus anguinus) on rock, Oliero cave, Valle del Brenta, commune di Valstagna, northern Italy, March 2005, Vulnerable species

Dietmar Nill / Olm, blind salamander on rocks {Proteus anguinus}, Germany note 'wings'

Dietmar Nill / Olm / Blind salamander (Proteus anguinus) Germany

Dietmar Nill / Olm / Blind salamander on rock {Proteus anguinus} Germany

Dietmar Nill / Olm / blind salamander on rocks {Proteus anguinus} Germany