Bdelloid rotifers (microscopic freshwater invertebrates) (20x, Technique: Polarized Light) by Michael Shribak & Dr. Irina Arkhipova, Marine Biological Laboratory Woods Hole, Massachusetts, USA.
The Nikon International Small World Competition (link)

Bdelloid rotifers (microscopic freshwater invertebrates) (20x, Technique: Polarized Lightby Michael Shribak & Dr. Irina Arkhipova, Marine Biological Laboratory Woods Hole, Massachusetts, USA.

The Nikon International Small World Competition (link)