Gyraulus chinensis (Dunker)(또아리물달팽이)(2008년 월악산)Canon | Canon EOS 450D | aperture priority (semi-auto) | Auto W/B | 0.033 s (1/30) (1/30) | F/0.0 | 0.33 (1/3) | 0.00(0/1) | ISO-800 | Flash-No | 2008:11:16 02:23:55