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A Euglena stuck to the container surface

This Euglena cannot move freely, probably because its flagellum or some part of its body is stuck on the container surface. It expands and contracts its body in a desperate struggle to get free.

Commentary by Prof. Yuji Tsukii, Hosei University
Without checking the shape and distribution of chloroplasts inside the cell, it is difficult to identify the exact species within the Euglenid group.

In this video, the organism seems to be attached to the glass surface.

The repeated expansion and contraction of the cell is called “Euglena movement”.

Sampling Date : 18 October 2009

Sampling Site : Hirose River A  Google Map

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