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Cod vs Tuna (Canned in Water)

Calories, macronutrients and nutrition facts compared side by side (per 100g).

Nutrition Comparison

Per 100gCodTuna (Canned in Water)
Calories82kcal116kcal
Protein17.8g25.5g
Carbs0g0g
Fat0.7g0.8g
Fiber0g0g
Sugar0g0g
Sodium54mg247mg

Green marks the more favorable value (fewer calories/sugar/sodium, more protein/fiber).

Key Takeaways

  • Cod has 34 fewer calories per 100g than Tuna (Canned in Water) (41% less).
  • Tuna (Canned in Water) delivers more protein (25.5g vs 17.8g per 100g).
  • Cod contains less fat (0.7g vs 0.8g).

Cod

Cod is a lean white fish with one of the lowest calorie-to-protein ratios you can find — under 100 kcal for 18g of protein. It is high in selenium, iodine, and vitamin B12, and contains modest amounts of omega-3s. Its mild flavor and quick cooking time make it a flexible weekday option.

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Tuna (Canned in Water)

Canned tuna is one of the most calorie-efficient protein sources — 25g of protein for just 116 kcal. It provides selenium, vitamin B12, and omega-3 fatty acids, though levels are lower than in fattier fish like salmon. Choose water-packed over oil-packed to keep calories down, and rotate with other fish to limit mercury exposure.

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