This is one of my absolute favorite scenes from the Microcosmos! The single-celled slinky Lacrymaria olor hunting down another single-celled organism. . Lacrymaria olor is a super duper predatory cell with an extendible neck. I really love its name too; Lacrymaria olor means "tears of a swan", isn't it poetic?! . Lacrymaria olor can extend its neck quite a lot, there are some harpoon-like structures at the tip of its neck called the extrusomes. And when the tip of the neck touches a prey organis