Which has more calories, Crustaceans, Crab or Crustaceans, Crayfish?

Per 100 g: Crustaceans, Crab has 83 kcal, Crustaceans, Crayfish has 72 kcal.

Which has more protein, Crustaceans, Crab or Crustaceans, Crayfish?

Per 100 g: Crustaceans, Crab has 17.9 g of protein, Crustaceans, Crayfish has 14.9 g.

Crustaceans, Crab vs Crustaceans, Crayfish: 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, Crayfish 72 kcal · 100 g

Key differences

Crustaceans, Crab has more calories; Crustaceans, Crayfish is lower in calories.
Crustaceans, Crab has more protein per 100 g.
Crustaceans, Crab is notably higher in calcium.
Crustaceans, Crab is notably higher in vitamin c.

At a glance

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

Calories

83 kcal

72 kcal

Protein

17.9 g

14.9 g

Total Fat

0.7 g

1 g

Carbohydrate

0 g

Dietary Fiber

0 g

Total Sugars

0 g

—

Nutrient comparison (per 100 g)

Nutrient	Crustaceans, Crab	Crustaceans, Crayfish
Calories	83 kcal	72 kcal
Protein	17.9 g	14.9 g
Total Fat	0.7 g	1 g
Saturated Fat	0.2 g	0.2 g
Carbohydrate	0 g	0 g
Dietary Fiber	0 g	0 g
Total Sugars	0 g	—
Sodium	563 mg	62 mg
Potassium	259 mg	261 mg
Calcium	91 mg	25 mg
Iron	0.5 mg	0.6 mg
Magnesium	36 mg	30 mg
Vitamin C	3.3 mg	0.5 mg
Vitamin A	1 mcg	15 mcg
Vitamin D	0 mcg	—
Cholesterol	97 mg	107 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, Crayfish

Protein87.2%14.9 g
Fat12.8%1 g
Carbs0%0 g

Frequently asked questions

Which has more calories, Crustaceans, Crab or Crustaceans, Crayfish?: Per 100 g: Crustaceans, Crab has 83 kcal, Crustaceans, Crayfish has 72 kcal.
Which has more protein, Crustaceans, Crab or Crustaceans, Crayfish?: Per 100 g: Crustaceans, Crab has 17.9 g of protein, Crustaceans, Crayfish has 14.9 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, Crayfish vs Alaska Pollock, Raw Crustaceans, Crayfish vs Anchovies, Canned In Olive Oil Crustaceans, Crayfish 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.