Crab vs Scallops
Side-by-side macro comparison. Crab vs Scallops per their standard serving sizes.
Macro Comparison Table
| Macro | Crab | Scallops | Difference |
|---|---|---|---|
| Calories | 87 cal | 137 cal | -36% Crab |
| Protein | 18g | 24g | -25% Crab |
| Carbs | 0g | 6g | -100% Crab |
| Fat | 1.1g | 1.4g | -21% 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. Scallops delivers 137 calories with 24g protein, 6g carbs, and 1.4g fat. The most meaningful difference: Crab saves 50 calories per serving — meaningful over a week of meals. For protein density per calorie, Crab wins at 83% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Crab gives you 50 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), Crab delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Scallops brings 137 calories — useful when you're chasing a surplus and struggling to eat enough. Scallops delivers 24g 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 Scallops are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Crab or Scallops?
Scallops has more protein: 24g vs 18g per serving. That's a difference of 6g.
Which has fewer calories, Crab or Scallops?
Crab has 87 calories per serving vs 137 calories in Scallops — a difference of 50 calories.
Is Crab or Scallops better for keto?
Crab is the better keto choice at 0g carbs per serving vs 6g carbs in Scallops.
Is Crab or Scallops better for weight loss?
For weight loss, Crab gives you more calorie flexibility (50 cal less per serving). For preserving muscle during a deficit, Crab delivers more protein per calorie. Most people on cuts benefit from Crab.
Which Is Better for Your Goal?
🔥 Weight Loss
Crab
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Scallops
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Crab
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
Other ways Crab and Scallops stack up: