An infusoria shoe is a species of infusoria of the genus, the simplest unicellular organism .. The aquatic environment is found in fresh waters. The sizes of different types of shoes are from 0.1 to 0.5 mm. The body shape resembles the sole of a shoe. On the surface of the cell, mainly cilia are located in longitudinal rows, the number of which is from 10 to 15 thousand.
Making wave-like movements with cilia, the shoe moves (floats with a blunt end forward). Swimming in the water column, the shoe rotates around its longitudinal axis. The speed of movement is about 2 mm / s.
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