Crab vs Halibut

Side-by-side macro comparison. Crab vs Halibut per their standard serving sizes.

Crab

per 100g cooked

87 cal
18g Protein
0g Carbs
1.1g Fat
Full Crab macros →
vs

Halibut

per 100g cooked

111 cal
23g Protein
0g Carbs
1.6g Fat
Full Halibut macros →

Macro Comparison Table

Macro Crab Halibut Difference
Calories 87 cal 111 cal -22% Crab
Protein 18g 23g -22% Crab
Carbs 0g 0g 0% Crab
Fat 1.1g 1.6g -31% Crab

Differences shown relative to Crab. Positive = Crab has more.

Quick Take

Crab delivers 87 calories per serving with 18g protein, 0g carbs, and 1.1g fat. Halibut delivers 111 calories with 23g protein, 0g carbs, and 1.6g fat. The most meaningful difference: they're within 24 calories per serving, so calorie load is essentially equivalent. Both deliver similar protein density.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Crab gives you 24 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Halibut delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Halibut brings 111 calories — useful when you're chasing a surplus and struggling to eat enough. Halibut delivers 23g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.

For Keto / Low-Carb

Both Crab and Halibut are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Crab or Halibut?

Halibut has more protein: 23g vs 18g per serving. That's a difference of 5g.

Which has fewer calories, Crab or Halibut?

Crab has 87 calories per serving vs 111 calories in Halibut — a difference of 24 calories.

Is Crab or Halibut better for keto?

Halibut is the better keto choice at 0g carbs per serving vs 0g carbs in Crab.

Is Crab or Halibut better for weight loss?

For weight loss, Crab gives you more calorie flexibility (24 cal less per serving). For preserving muscle during a deficit, Halibut delivers more protein per calorie. Most people on cuts benefit from Halibut.

Which Is Better for Your Goal?

🔥 Weight Loss

Crab

Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.

💪 Muscle Gain

Halibut

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

tie

Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.

Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.

Find Your Personal Macros

The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:

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Related Comparisons

Other ways Crab and Halibut stack up:

Full Crab guideFull Halibut guideAll comparisons