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[3])These creatures are impaled with (10[1])Maker Hooks (10[1])after they are attracted using an egg-shaped thumper. (10[1])These creatures, which are (10[1])called Shai-Hulud and are ridden by Fremen, guard a psychedelic fungusoid nicknamed spice. An odd 2024 popcorn bucket depicts (10[1])the massive mouth of, for 10 points, what creatures that roam the planet of Arrakis in Dune? ■END■