Crab vs Lobster
Side-by-side macro comparison. Crab vs Lobster per their standard serving sizes.
Macro Comparison Table
| Macro | Crab | Lobster | Difference |
|---|---|---|---|
| Calories | 87 cal | 89 cal | -2% Crab |
| Protein | 18g | 19g | -5% Crab |
| Carbs | 0g | 0g | 0% Crab |
| Fat | 1.1g | 0.9g | +22% 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. Lobster delivers 89 calories with 19g protein, 0g carbs, and 0.9g fat. The most meaningful difference: they're within 2 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 2 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), Lobster delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Lobster brings 89 calories — useful when you're chasing a surplus and struggling to eat enough. Lobster delivers 19g 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 Lobster are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Crab or Lobster?
Lobster has more protein: 19g vs 18g per serving. That's a difference of 1g.
Which has fewer calories, Crab or Lobster?
Crab has 87 calories per serving vs 89 calories in Lobster — a difference of 2 calories.
Is Crab or Lobster better for keto?
Lobster is the better keto choice at 0g carbs per serving vs 0g carbs in Crab.
Is Crab or Lobster better for weight loss?
For weight loss, Crab gives you more calorie flexibility (2 cal less per serving). For preserving muscle during a deficit, Lobster delivers more protein per calorie. Most people on cuts benefit from Lobster.
Which Is Better for Your Goal?
🔥 Weight Loss
Lobster
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Lobster
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:
→ Calculate My Macros (Free)Related Comparisons
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