This is a unicellular organism, Dileptus, and it’s about to take a bite out of another unicellular organism. . Dileptus has an elephant-trunk-like structure that it waves around to catch food. It might look harmless, but that trunk hides tiny structures called extrusomes. When it touches a potential meal, the extrusomes shoot out, piercing the other cell and releasing digestive enzymes. In this clip, a Spirostomum loses part of its body but manages to escape, while Dileptus feeds on the dissolve