detail

Description:

Colpidium (coll-pid-ee-um) is an oligohymenophoran ciliate, very closely related to Tetrahymena. The mouth is located near the front end, it is recessed, and the body is slightly twisted in front of the mouth. This detail shows the kineties at an angle anterior to the mouth. Eats bacteria and often found in organically enriched sites with little available oxygen. Phase contrast.