Microscope Bus

Colpidium

Ciliophora: Protozoans that Move with Cilia

The Colpidium is part of the Phylum Ciliophora. View more Ciliophora here.

Colpidium

The Colpidium belongs to the Phyllum Ciliophora. They are from 50-70 um long.

Colpidium are available from science supply companies and can also be found in freshwater environments including streams, lakes, ponds and rivers.

These ciliates are frequently found in wastewater treatment plants and are used as an indicator of water quality and even waste treatment plant performance.