Parasites Forum 01 - Unknown Microscopic Parasite about as large as the period in this sentence. Pictures taken using 100x on a microscope and shows muscle like strands at the base of the head and body/tail. The muscle like strands contrack or expand to move it's head. The head and upper body/tail is blue and the rest of the body/tail is red. See other photos to get a full picture. What is it??