Common roach (Perca fluviatilis) is a common species of clean flowing waters with a hard bottom, and numerous standing waters. It was introduced into the park area and is now a common inhabitant of Lake Cerknica.
Common roach (Perca fluviatilis) is a common species of clean flowing waters with a hard bottom, and numerous standing waters. It was introduced into the park area and is now a common inhabitant of Lake Cerknica.