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Is it dividing?
Species name:Diatom
AL-Museum AL-Museum
Several sizes of diatoms are living in Hirose River. This is one of the largest, and we can see two cells are surrounded by a membrane. Each cell is covered with a hard siliceous cell wall. The two cells may be in the process of division. Larger brown structures as well as small particles are moving inside the cytoplasm of the diatoms.