hermit crab
['leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea', 'Gila monster, Heloderma suspectum', 'thimble', 'fly', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa', 'frilled lizard, Chlamydosaurus kingi', 'chambered nautilus, pearly nautilus, nautilus']