Crab vs Tilapia

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

Crab

per 100g cooked

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

Tilapia

per 100g cooked

128 cal
26g Protein
0g Carbs
2.7g Fat
Full Tilapia macros →

Macro Comparison Table

Macro Crab Tilapia Difference
Calories 87 cal 128 cal -32% Crab
Protein 18g 26g -31% Crab
Carbs 0g 0g 0% Crab
Fat 1.1g 2.7g -59% 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. Tilapia delivers 128 calories with 26g protein, 0g carbs, and 2.7g fat. The most meaningful difference: Crab saves 41 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 41 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. Tilapia brings 128 calories — useful when you're chasing a surplus and struggling to eat enough. Tilapia delivers 26g 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 Tilapia are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Crab or Tilapia?

Tilapia has more protein: 26g vs 18g per serving. That's a difference of 8g.

Which has fewer calories, Crab or Tilapia?

Crab has 87 calories per serving vs 128 calories in Tilapia — a difference of 41 calories.

Is Crab or Tilapia better for keto?

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

Is Crab or Tilapia better for weight loss?

For weight loss, Crab gives you more calorie flexibility (41 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

Tilapia

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

Other ways Crab and Tilapia stack up:

Full Crab guideFull Tilapia guideAll comparisons