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 (10[1])Reverend Mother. (10[2])These creatures are (10[1])impaled with Maker Hooks (10[1])after they (10[1])are attracted using (10[1])an egg-shaped thumper. (-5[1])These creatures, which are called Shai-Hulud and are ridden by Fremen, (10[1])guard a psychedelic (10[3])fungusoid nicknamed spice. (10[2])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[1])