Amoeboid movement is particularly curious and fascinating. Inside amoebae you can also see ingested prey and contractile vacuoles. Amoeba 2 Amoeba phagocyting another protist. Observe the variation of the shape of the outline of the amoeba during phagocytosis. The ciliate cell is often very complex.
Ciliates feed on bacteria, other protists, rotifers and random floor particles.
Aspidisca Two Aspidisca are exploring filaments of spirogyra and other filamentous algae looking for bacteria. Notice how they use their ventral cilia to move on the debris. Cinetochilum Cinetochilum is similar to Euplotes both in its movement and in its shape. However it is smaller, more oval and has dorsal ribbings. Coleps Coleps is entirely covered with cilia.