Coleps as a hunter
Coleps is a small ciliate covered with a hard cell wall almost like armor. When coleps finds feeble organisms, it attacks them forcefully, but here it is just swimming around lookiing for food.
Commentary by Prof. Yuji Tsukii, Hosei University
This organism is Coleps hirtus.
http://protist.i.hosei.ac.jp/PDB/Im.....
Sampling Date : 03 July 2009
Sampling Site : Hirose River B Google Map