OSTRACOD RESEARCH

at the Lake Biwa Museum, Japan


Robin James Smith

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Image Gallery

The sperm of the freshwater ostracod Physocypria nipponica. Click on the image for next one in the series.

The sperm of Physocypria nipponica. The Cypridoidea, the group to which this species belongs, contains species with sperm up to 10 mm in length. The sperm figured here are somewhat shorter, but still an impressive 1.9 mm in length, approximately three times longer than the male that produced them. (Click on the image to view the next one in the series.)