From sushiday.com These are so pretty! And they sort of do look like a caterpillar. I am guessing at the size of the unagi package. The original recipe says "small package".
Serving Size: 1 (2056) g
Servings Per Recipe: 1
Calories: 511.9
Calories from Fat 134 g 26 %
Total Fat 14.9 g 22 %
Saturated Fat 2.3 g 11 %
Cholesterol 11.9 mg 3 %
Sodium 18.6 mg 0 %
Total Carbohydrate 85.1 g 28 %
Dietary Fiber 8.9 g 35 %
Sugars 1.4 g 5 %
Protein 10.2 g 20 %