Navicula

Navicula is a genus of boat-shaped microbes (microorganisms) that are a type of Phytoplankton or algae &mdash; primarily aquatic, eukaryotic, photosynthetic organisms, ranging in size from a single cell.

Navicula is a diatom. The Navicula genus of diatoms comprises more than 10,000 species. Navicula is Latin for "small ship".