Fig. 1: Sampling sites of Cobitis study materials. E, T, N - genotypes of C. elongatoides , C. taenia , C. tanaitica , respectively; number of specimens in parentheses. Red area = range of C. taenia ; yellow area = range of C. elongatoides ; blue area = range of C. tanaitica . Dashed line delimitates range of the oldest asexual lineage, the ‘hybrid clade I’.