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

This is a unicellular organism called Homalozoon, and it’s eating a microscopic multicellular animal. Doesn’t it look like a dirty, sentient sock choking on a snack. 🧦😂 . Homalozoon is a large single-celled organism that feeds on smaller microorganisms and even on multicellular animals like rotifers. When I stumbled upon this scene, it was already halfway through ingesting its rotifer meal. As Homalozoon swallows the rotifer, it wraps it in a bubble-like membrane that quickly becomes highly ac