NutriBase

Crustaceans, Crab vs Fish, Ocean Perch: 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 Fish, Ocean Perch 79 kcal · 100 g

Key differences

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

Nutrient comparison (per 100 g)

Nutrient Crustaceans, Crab Fish, Ocean Perch
Calories 83 kcal 79 kcal
Protein 17.9 g 15.3 g
Total Fat 0.7 g 1.5 g
Saturated Fat 0.2 g 0.3 g
Carbohydrate 0 g 0 g
Dietary Fiber 0 g 0 g
Total Sugars 0 g 0 g
Sodium 563 mg 287 mg
Potassium 259 mg 187 mg
Calcium 91 mg 28 mg
Iron 0.5 mg 0.2 mg
Magnesium 36 mg 23 mg
Vitamin C 3.3 mg 0 mg
Vitamin A 1 mcg 12 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, Ocean Perch

  • Protein 81.5%
  • Fat 18.5%
  • Carbs 0%

Frequently asked questions

Which has more calories, Crustaceans, Crab or Fish, Ocean Perch?
Per 100 g: Crustaceans, Crab has 83 kcal, Fish, Ocean Perch has 79 kcal.
Which has more protein, Crustaceans, Crab or Fish, Ocean Perch?
Per 100 g: Crustaceans, Crab has 17.9 g of protein, Fish, Ocean Perch has 15.3 g.

Compare with other foods

Crustaceans, Crab vs Alaska Pollock, Raw Crustaceans, Crab vs Anchovies, Canned In Olive Oil Crustaceans, Crab vs Cod, Pacific Or Alaskan Crustaceans, Crab vs Crustaceans, Crab Pick a pair manually →

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.