Octopus vs. Crab, soft shell vs. Crayfish, fried

Side-by-side comparison of nutrient values per 100g edible portion, sourced directly from the U.S. Department of Agriculture's FoodData Central (FDC) - SR Legacy reference foods and FDC Foundation foods (April 2026 release). Each value reflects USDA's standardized laboratory analysis methodology under USDA data-documentation methodology.

Crab, soft shell has the most protein of the foods compared, at 15.5 g per 100g.

Nutrient Octopus Crab, soft shell Crayfish, fried
Protein 13.3 G15.5 G14.1 G
Total lipid (fat) 13 G12.7 G12.9 G
Carbohydrate, by difference 13.4 G11.7 G11.7 G
Energy 226 KCAL227 KCAL223 KCAL
Total Sugars 0.2 G0.2 G0.2 G
Fiber, total dietary 0.5 G0.5 G0.5 G
Calcium, Ca 55 MG84 MG35 MG
Iron, Fe 4.9 MG1.3 MG1.5 MG
Potassium, K 290 MG221 MG254 MG
Sodium, Na 518 MG643 MG387 MG
Cholesterol 43 MG80 MG93 MG
Fatty acids, total saturated 1.8 G1.8 G1.8 G

Values shown are per 100g edible portion from Source: USDA FoodData Central Retrieved and formatted by GetFoodFacts Editorial. For interactive comparison of up to three foods with macro bars and charts, use the main compare tool.