Vegetarian nigiri is a great option for vegetarians who don't want to eat fish. Just look for vegetables that work well together. As a general rule, nigiri is versatile and can be made with either raw fish or cooked vegetables. A variety of ingredients makes a good vegetarian nigiri. You can even put avocado in them to make them vegan. A vegetarian nigiri will also go well with any type of seafood.
This website provides approximate nutrition information for convenience and as a courtesy only. Nutrition data is gathered primarily from the Spoonacular Database, whenever available, or otherwise other online calculators.