NutriBase

Crustaceans, Crab vs Fish, Scup: Nutrition Comparison

Compare calories, protein, fat, carbs, vitamins and minerals per 100 g. Values shaded green are generally the more favorable ones.

Key differences

  • Fish, Scup has more calories; Crustaceans, Crab is lower in calories.
  • Fish, Scup has more protein per 100 g.
  • Crustaceans, Crab is notably higher in calcium.

Nutrient comparison (per 100 g)

Nutrient Crustaceans, Crab Fish, Scup
Calories 83 kcal 105 kcal
Protein 17.9 g 18.9 g
Total Fat 0.7 g 2.7 g
Saturated Fat 0.2 g 0.6 g
Carbohydrate 0 g 0 g
Dietary Fiber 0 g 0 g
Total Sugars 0 g 0 g
Sodium 563 mg 42 mg
Potassium 259 mg 287 mg
Calcium 91 mg 40 mg
Iron 0.5 mg 0.5 mg
Magnesium 36 mg 23 mg
Vitamin C 3.3 mg 0 mg
Vitamin A 1 mcg 27 mcg
Vitamin D 0 mcg 1.2 mcg
Cholesterol 97 mg 52 mg

Green highlighting marks the more favorable value where it applies (for example, more protein or less saturated fat). Neutral nutrients are not highlighted.

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.

Crustaceans, Crab

  • Protein 91.5%
  • Fat 8.5%
  • Carbs 0%

Fish, Scup

  • Protein 75.5%
  • Fat 24.5%
  • Carbs 0%

Frequently asked questions

Which has more calories, Crustaceans, Crab or Fish, Scup?
Per 100 g: Crustaceans, Crab has 83 kcal, Fish, Scup has 105 kcal.
Which has more protein, Crustaceans, Crab or Fish, Scup?
Per 100 g: Crustaceans, Crab has 17.9 g of protein, Fish, Scup has 18.9 g.

Compare with other foods

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.