While traditional nigiri often features raw fish, it’s not always raw or non-vegetarian:[custom_list][custom_list_item name="Cooked Options" description="Ingredients like cooked shrimp (ebi), eel (unagi), or tamago (Japanese omelette) are commonly used as toppings."][custom_list_item name="Vegetarian Nigiri" description="Vegetables like avocado, cucumber, or pickled radish can be served on nigiri, catering to vegetarian diets."][custom_list_item name="Creative Variations" description="Many sushi chefs craft unique nigiri using grilled, marinated, or seared toppings, expanding beyond raw fish."][/custom_list]