Corbicula corolata Martens(공주재첩)

공주재첩-낙동강N50-2009_09_12_0001_PaxEco.jpgCanon | Canon EOS 450D | aperture priority (semi-auto) | spot | Manual W/B | 0.167 s (1/6) (1/6) | F/0.0 | 1.00 (1/1) | 0.00(0/1) | ISO-200 | Flash-No | 2009:09:12 17:06:30