Stentor coeruleus is the name of the 2 big bluish protozoans with the rapidly moving cilia around the periphery of their big mouths. The smaller free swimming protozoans are Paramecium, the famous slipper-shaped ciliates.
Louisiana bayou water, 200X Invert and View SET-UP #7
By undergraduate student Courtney Cain, Socolofsky Microscopy Center, LSU