Synopsis of dorsal and ventral view on Euplotes affinis
. The species characterizing dorsal ribs together with the adoral zone of membranelles are shown on the left. The ventral cirri (bunched cilia) are used for walking on substrata.
Collected from Bodden, the brackish waters lying between the isles of Hiddensee and Ruegen (German Baltic Sea). This image was taken using Zeiss Universal with Olympus C7070 CCD camera.