The eastern water bat or Sakhalin bat (Myotis petax) is a species of mouse-eared bat. It was for a long time considered to be a subspecies of Myotis daubentonii. Distribution The Eastern water bat is a forest bat found in Russia (south and eastern Siberia, Transbaikalia, Primorye and Sakhalin), northern China, Mongolia, Korea, and Japan (Hokkaido). References External links Mouse-eared bats Taxa named by Ned Hollister Bats of Asia Mammals described in 1912