Spiny Marine Creature; Uni in Japanese Cuisine
Puzzle 19 of Making Sushi Pack
Question is: Spiny Marine Creature; Uni in Japanese Cuisine
and the answer is: SEAURCHIN
Word Meaning:
SEA URCHIN — Any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotle's lantern.
Definitions from Wiktionary.