It is found in Austria , Germany , The Czech Republic , Bulgaria , Romania , Serbia , and Montenegro .
Vladykov 's lamprey ( Eudontomyzon vladykovi ) is a species of lamprey in the Petromyzontidae family .
lamprey is found in Austria , Germany , The Czech Republic , Bulgaria , Romania , Serbia , and Montenegro .
Vladykov 's lamprey ( Eudontomyzon vladykovi ) is a species of lamprey in the Petromyzontidae family .