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Mollusks, firefly squid, "Tsukudani": Calories & Nutrition per 100 g

Last updated: 2026-09-17

Mollusks, firefly squid, "Tsukudani" (simmered whole in soy sauce and sugar) has 245 kcal per 100 g of edible portion, with 27.0 g protein, 6.7 g fat and 22.9 g carbohydrate, according to Japan's official Standard Tables of Food Composition.

Food number10351
Name in Japanese<いか・たこ類> (いか類) ほたるいか つくだ煮
Food groupFish and shellfish

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Nutrition per 100 g (edible portion)

Energy245 kcal
Water39.8 g
Protein27.0 g
Fat6.7 g
Carbohydrate (by difference)22.9 g
Dietary fibre(0) g
Salt equivalent3.0 g
Sodium1200 mg
Potassium96 mg
Calcium26 mg
Iron2.7 mg
Vitamin C0 mg
Cholesterol390 mg

How to read these numbers

Other forms of mollusks

Source: Ministry of Education, Culture, Sports, Science and Technology (MEXT), Standard Tables of Food Composition in Japan (Eighth Revised Edition), 2023 supplement; English food names from the official English edition (2015). Compiled and reformatted by this website. This page is general information, not dietary or medical advice.

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