Elmidae sp.(여울벌레 sp.)

여울벌레 sp.(몸옆줄)(전국자연_청운7)2009_11_29_0036_PaxEco.jpgCanon | Canon EOS 450D | aperture priority (semi-auto) | spot | Auto W/B | 0.077 s (1/13) (1/13) | F/0.0 | 1.33 (4/3) | 0.00(0/1) | ISO-400 | Flash-No | 2009:11:29 00:21:41