NutriBase

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 242 kcal · 100 g

Key differences

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

Nutrient comparison (per 100 g)

Nutrient Crustaceans, Crab Crustaceans, Shrimp
Calories 83 kcal 242 kcal
Protein 17.9 g 21.4 g
Total Fat 0.7 g 12.3 g
Saturated Fat 0.2 g 2.1 g
Carbohydrate 0 g 11.5 g
Dietary Fiber 0 g 0.4 g
Total Sugars 0 g 0.8 g
Sodium 563 mg 344 mg
Potassium 259 mg 225 mg
Calcium 91 mg 67 mg
Iron 0.5 mg 1.3 mg
Magnesium 36 mg 40 mg
Vitamin C 3.3 mg 1.5 mg
Vitamin A 1 mcg 56 mcg
Vitamin D 0 mcg 0.1 mcg
Cholesterol 97 mg 138 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 35.5%
  • Fat 45.8%
  • Carbs 18.7%

Frequently asked questions

Which has more calories, Crustaceans, Crab or Crustaceans, Shrimp?
Per 100 g: Crustaceans, Crab has 83 kcal, Crustaceans, Shrimp has 242 kcal.
Which has more protein, Crustaceans, Crab or Crustaceans, Shrimp?
Per 100 g: Crustaceans, Crab has 17.9 g of protein, Crustaceans, Shrimp has 21.4 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.