USDA-derived comparison

Sea Bass vs Tuna Steak

Tuna Steak leads for Selenium, Vitamin B3 and Vitamin B12 per 100g, while Sea Bass holds its own elsewhere.

Who each is for: Choose tuna Steak for selenium and vitamin B3.

Reviewed 20 July 2026. Generic food data per 100g; brands and preparation vary.

Sea Bass

Typical serving: 1 fillet (130g)

14/100

No clear per-100g leads, which is a result in itself.

Full Sea Bass page

Tuna Steak

Typical serving: 1 steak (130g)

29/100

More seleniumMore vitamin B3More vitamin B12More vitamin B6
Full Tuna Steak page

Side by side, per 100g

The stronger number is highlighted, honestly: higher wins for aim-for nutrients, lower wins for stay-under ones like saturated fat and sodium.

NutrientSea BassTuna Steak
Calories124 kcal130 kcal
Protein24 g29 g
Carbs0 g0 g
Fat3 g1 g
Fiber0 g0 g
Sat fat1 g0 g
Sodium87 mg54 mg
Potassium328 mg527 mg
Calcium13 mg4 mg
Iron0.4 mg0.9 mg
Magnesium53 mg42 mg
Zinc0.5 mg0.5 mg
Vitamin C0 mg0 mg
Vitamin D0 µg2 µg
Vitamin B120.3 µg2.4 µg
Folate6 µg2 µg

Servings differ: 1 fillet of sea bass is about 130g, 1 steak of tuna steak about 130g. Scale accordingly before deciding anything on the 100g basis alone.

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