Willis McNelly documented how these creatures produced a cinnamic acid-derived biopolymer that appears deep blue. A larval form of these creatures act like leeches and are named for resembling trout. Bile expelled by these creatures as they drown in water is ingested in a ritual to become a Reverend Mother. (10[1])These creatures are (10[1])impaled (10[1])with Maker Hooks (-5[1])after they are attracted using an egg-shaped (10[1])thumper. (10[1])These creatures, which are called Shai-Hulud and are ridden by Fremen, guard a psychedelic fungusoid (-5[1])nicknamed spice. An odd 2024 popcorn bucket depicts the massive mouth of, for 10 points, what creatures that roam the planet of Arrakis in Dune? ■END■ (10[2])