Crustaceans, Crab
Crustaceans, Crab belongs to the fish & seafood category of our catalog. A 100 g serving provides 81 kcal with 18.7 g of protein, 0.8 g of fat, 0 g of carbohydrate. Its strongest contribution is protein — 37% of the Daily Value per 100 g (see the high protein foods: the best sources to eat guide). Related entries in the same group include Crustaceans, Crab and Crustaceans, Crayfish, or jump to the full food catalog.
Calorie & macro balance
Share of calories from each macronutrient (per 100 g).
- Protein91.1%18.7 g
- Fat8.9%0.8 g
- Carbs0%0 g
What this food is high in
Shown as percent of the Daily Value per 100 g. Tap a ring to explore that nutrient across all foods.
Full nutrition facts (per 100 g)
| Nutrient | Per 100 g | % DV* |
|---|---|---|
| Energy | ||
| Calories | 81 kcal | 4% |
| Macronutrients | ||
| Protein | 18.7 g | 37% |
| Total Fat | 0.8 g | 1% |
| Saturated Fat | — | |
| Carbohydrate | 0 g | 0% |
| Dietary Fiber | — | |
| Total Sugars | — | |
| Minerals | ||
| Sodium | 331.3 mg | 14% |
| Potassium | 234.8 mg | 5% |
| Calcium | 110.9 mg | 9% |
| Iron | 0.6 mg | 4% |
| Magnesium | 43.1 mg | 10% |
| Vitamins | ||
| Vitamin C | — | |
| Vitamin A | — | |
| Vitamin D | — | |
| Other | ||
| Cholesterol | 113.5 mg | 38% |
* Percent of the Daily Value (based on a 2,000 kcal diet).
Data source: USDA FoodData Central. Values are per 100 g of edible portion and are reference figures — they vary by variety, preparation and brand. Last updated: 2026-04-30.
Frequently asked questions
- How many calories are in Crustaceans, Crab?
- A 100 g serving of Crustaceans, Crab has 81 kcal. The calories in your portion depend on its weight and how it is prepared.
- How much protein is in Crustaceans, Crab?
- Per 100 g there are 18.7 g of protein — about 37% of the Daily Value (50 g).
- How much fat and carbs are in Crustaceans, Crab?
- Per 100 g there are 0.8 g of fat and 0 g of carbohydrate.
- What nutrients is Crustaceans, Crab high in?
- Per 100 g it notably contributes to your Daily Value for: Protein (37% DV), Magnesium (10% DV).
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Note. This information is provided for general reference only and is not medical advice or a diet prescription. If you have a medical condition or special dietary needs, consult a physician or a registered dietitian.