The Grading Room

Every food, graded. No vibes — just the numbers.

Home / Seafood

28 foods graded

Seafood Tier List

Protein quality, omega-3s, and micronutrients per 100 calories. The ocean’s finest hour, with a mercury footnote where it matters.

How the grading works: scored per 100 calories on fixed benchmarks, weighted, ranked. Read the full methodology — the formula is published, argue with it.

Questions

How are seafood scored?

Every food is scored 0–100 per 100 calories across five factors (protein, fiber, micronutrients and more depending on the category), combined with fixed weights, then ranked. The top 10% of the board earn S tier. Full methodology.

What is the healthiest seafood?

By our numbers: Sockeye Salmon — S tier, 72/100. See its full breakdown.

A note before you eat your screen: grades are computed from published nutrition data with a transparent formula. They are a starting point for thinking about food, not medical advice. Talk to your doctor or a registered dietitian about your diet.