tuna vs Crab

Side-by-side nutrition comparison per serving. See which fits your goals better.

Quick Verdict

Best for weight loss

Crab

Best for muscle gain

tuna

Best for low-carb

tuna

Macro Comparison

tuna: 100g (100g) | Crab: 100g (100g)

CaloriesLower is better for weight loss

109

tuna

Crab

ProteinHigher supports muscle growth

24.4g

tuna

17.9g

Crab

CarbsLower for low-carb diets

tuna

Crab

FatLower for calorie control

0.49g

tuna

0.74g

Crab

Protein Efficiency

What percentage of calories come from protein — higher is better for staying lean.

90%

tuna

86%

Crab

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Per 100g Comparison

Nutrient	tuna	Crab
Calories	109	83
Protein	24.4g	17.9g
Carbs	0g	0g
Fat	0.5g	0.7g
Fiber	0g	0g
Sugar	0g	0g
Sodium	45mg	395mg
Cholesterol	39mg	97mg
Saturated Fat	0.17g	0.2g
Potassium	441mg	259mg
Vitamin A	18mcg	1mcg
Vitamin C	0mg	3.3mg
Calcium	4mg	91mg
Iron	0.77mg	0.5mg

Which Should You Choose?

For weight loss

Choose Crab. With 83 calories and 17.9g protein, it gives you more protein per calorie — keeping you full while cutting calories.

For muscle gain

Choose tuna. tuna delivers 24.4g protein per serving — 6.5g more than Crab.

For low-carb diets

Choose tuna with 0g carbs per serving.

Full tuna nutrition facts →Full Crab nutrition facts →Calculate your macros →Browse free meal plans →

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Common Questions

Is tuna or Crab better for weight loss?

For weight loss, Crab is the better choice. tuna has 109 calories and 24.4g protein per serving, while Crab has 83 calories and 17.9g protein. Lower calories with higher protein helps you stay full while eating fewer calories.

Which has more protein, tuna or Crab?

tuna has more protein per serving. tuna provides 24.4g and Crab provides 17.9g of protein.

Can I eat both tuna and crab together?

Yes! Combining tuna and crab gives you 192 calories and 42.3g protein. This combination can work well as part of a balanced meal.

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