A busily foraging ciliate

This ciliate is busily foraging back and forth, changing directions and passing between particles. There are cirri at the front and rear of its slender body, and the cirri at the front are especially active.

Commentary by Prof. Yuji Tsukii, Hosei University
This organism is Amphisiella, which belongs to subclass Stichotrichia.

http://protist.i.hosei.ac.jp/PDB/Im.....

It is characterized by 4 or 5 cirri at the rear end, and is often found in open fields.

Sampling Date : 18 October 2009

Sampling Site : Hirose River A  Google Map