Crayfish

Crayfish: A small crayfish (Orsonectes limosus) between lots of zebra mussels (Dreissena polymorpha). Both species were introduced. The crayfish from North America and the zebra mussel from the Black Sea. Nikon D200, 1/250 s, F/8.0, 20 mm, ISO 100, Wednesday, September 16, 2009 19:49:24