NutriBases

Crustaceans, Crab vs Crustaceans, Shrimp: Nutrition Comparison

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

Fish & Seafood Crustaceans, Crab 83 kcal · 100 g VS Fish & Seafood Crustaceans, Shrimp 71 kcal · 100 g

Key differences

  • Crustaceans, Crab has more calories; Crustaceans, Shrimp is lower in calories.
  • Crustaceans, Crab has more protein per 100 g.
  • Crustaceans, Crab is notably higher in potassium.

Nutrient comparison (per 100 g)

Nutrient Crustaceans, Crab Crustaceans, Shrimp
Calories 83 kcal 71.4 kcal
Protein 17.9 g 15.6 g
Total Fat 0.7 g 0.8 g
Saturated Fat 0.2 g —
Carbohydrate 0 g 0.5 g
Dietary Fiber 0 g —
Total Sugars 0 g —
Sodium 563 mg 474.9 mg
Potassium 259 mg 145.9 mg
Calcium 91 mg 64.6 mg
Iron 0.5 mg 0.5 mg
Magnesium 36 mg 22.5 mg
Vitamin C 3.3 mg —
Vitamin A 1 mcg —
Vitamin D 0 mcg —
Cholesterol 97 mg 136 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%

Crustaceans, Shrimp

  • Protein 87.2%
  • Fat 10.1%
  • Carbs 2.7%

Frequently asked questions

Which has more calories, Crustaceans, Crab or Crustaceans, Shrimp?
Per 100 g: Crustaceans, Crab has 83 kcal, Crustaceans, Shrimp has 71 kcal.
Which has more protein, Crustaceans, Crab or Crustaceans, Shrimp?
Per 100 g: Crustaceans, Crab has 17.9 g of protein, Crustaceans, Shrimp has 15.6 g.

Compare with other foods

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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.