On August 13, 1937 Hozu and other IJN ships bombarded Chinese positions at Shanghai. On December 13 Hozu and other ships engaged Chinese positions at Xiaguan and attacked Chinese boats and rafts on the Yangtze River. On December 5, 1944 Hozu and the gunboat Hira ran aground near Anking. They were subsequently bombed by Chinese aircraft, Hira was damaged and Hozu was sunk. The wreck was scrapped 1945.