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Sea urchin, "Neri-uni": Calories & Nutrition per 100 g

Last updated: 2026-09-17

Sea urchin, "Neri-uni" (salted whole gonad paste) has 166 kcal per 100 g of edible portion, with 13.5 g protein, 2.9 g fat and 22.4 g carbohydrate, according to Japan's official Standard Tables of Food Composition.

Food number10367
Name in Japanese<その他> うに 練りうに
Food groupFish and shellfish

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Nutrition per 100 g (edible portion)

Energy166 kcal
Water53.1 g
Protein13.5 g
Fat2.9 g
Carbohydrate (by difference)22.4 g
Dietary fibre(0) g
Salt equivalent7.1 g
Sodium2800 mg
Potassium230 mg
Calcium38 mg
Iron1.8 mg
Vitamin C0 mg
Cholesterol250 mg

How to read these numbers

Other forms of sea urchin

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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