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Euplotes: a skillful hunter

A large Euplotes ciliate has characteristic cirri at the front and rear ends of its body. By actively waving the cilia surrounding its mouth, it creates a whirlpool to attract food particles. Several prey are drawn into its mouth and transferred inside, but some manage to get free.

Commentary by Prof. Yuji Tsukii, Hosei University
This organism is Euplotes.

From the cell shape, it may be E. eurystomus or E. woodruffi.

To determine the species, examination of the macronucleus shape is necessary.

Sampling Date : 18 October 2009

Sampling Site : Hirose River A  Google Map

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