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Vorticella sp.
Species name:Vorticella sp.
Bureau Swerage, okyo Metropolitan Government
The size of Vorticella is 45-90 μm in length. Vorticella has a bell-shaped body. There are oral groove surrounded by cilia on the top of the body. They are attached to the floc by a stalk in which there is the myoneme. Cells do not form colonies. Zoospores are produced when conditions are not satisfactory. Zoospores swim fast in the water with the cilia. Its food source is mainly bacteria.