NutriBase

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

Nutrient comparison (per 100 g)

Nutrient Crustaceans, Crab Fish, Sturgeon
Calories 83 kcal 173 kcal
Protein 17.9 g 31.2 g
Total Fat 0.7 g 4.4 g
Saturated Fat 0.2 g 1 g
Carbohydrate 0 g 0 g
Dietary Fiber 0 g 0 g
Total Sugars 0 g 0 g
Sodium 563 mg 739 mg
Potassium 259 mg 379 mg
Calcium 91 mg 17 mg
Iron 0.5 mg 0.9 mg
Magnesium 36 mg 47 mg
Vitamin C 3.3 mg 0 mg
Vitamin A 1 mcg 280 mcg
Vitamin D 0 mcg 16.1 mcg
Cholesterol 97 mg 80 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, Sturgeon

  • Protein 75.9%
  • Fat 24.1%
  • Carbs 0%

Frequently asked questions

Which has more calories, Crustaceans, Crab or Fish, Sturgeon?
Per 100 g: Crustaceans, Crab has 83 kcal, Fish, Sturgeon has 173 kcal.
Which has more protein, Crustaceans, Crab or Fish, Sturgeon?
Per 100 g: Crustaceans, Crab has 17.9 g of protein, Fish, Sturgeon has 31.2 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.