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.

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.

At a glance

Crustaceans, Crab on the left, Crustaceans, Shrimp on the right. The longer bar holds more per 100 g; green marks the generally more favorable value.

Calories

83 kcal

71.4 kcal

Protein

17.9 g

15.6 g

Total Fat

0.7 g

0.8 g

Carbohydrate

0 g

0.5 g

Dietary Fiber

0 g

—

Total Sugars

0 g

—

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

Protein91.5%17.9 g
Fat8.5%0.7 g
Carbs0%0 g

Crustaceans, Shrimp

Protein87.2%15.6 g
Fat10.1%0.8 g
Carbs2.7%0.5 g

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

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 Crustaceans, Shrimp vs Alaska Pollock, Raw Crustaceans, Shrimp vs Anchovies, Canned In Olive Oil Crustaceans, Shrimp vs Cod, Pacific Or Alaskan 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.