NutriBase

Crustaceans, Crab vs Mollusks, Conch: Nutrition Comparison

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

Key differences

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

Nutrient comparison (per 100 g)

Nutrient Crustaceans, Crab Mollusks, Conch
Calories 83 kcal 130 kcal
Protein 17.9 g 26.3 g
Total Fat 0.7 g 1.2 g
Saturated Fat 0.2 g 0.4 g
Carbohydrate 0 g 1.7 g
Dietary Fiber 0 g 0 g
Total Sugars 0 g 0 g
Sodium 563 mg 153 mg
Potassium 259 mg 163 mg
Calcium 91 mg 98 mg
Iron 0.5 mg 1.4 mg
Magnesium 36 mg 238 mg
Vitamin C 3.3 mg 0 mg
Vitamin A 1 mcg 7 mcg
Vitamin D 0 mcg 0 mcg
Cholesterol 97 mg 65 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%

Mollusks, Conch

  • Protein 85.7%
  • Fat 8.8%
  • Carbs 5.5%

Frequently asked questions

Which has more calories, Crustaceans, Crab or Mollusks, Conch?
Per 100 g: Crustaceans, Crab has 83 kcal, Mollusks, Conch has 130 kcal.
Which has more protein, Crustaceans, Crab or Mollusks, Conch?
Per 100 g: Crustaceans, Crab has 17.9 g of protein, Mollusks, Conch has 26.3 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.