Dead heat · 8 categories decided · 2 ties
Each value is per 100 g edible portion.
The verdict
It's a dead heat — each wins 4 of 8 match-ups.
Pick Blue crab, canned for more protein, more calcium, more magnesium and more vitamin C.
Pick Crayfish, cooked for less saturated fat, less sodium, more potassium and more iron.
Evenly matched on fiber and sugar.
Head-to-head
- Energy83 kcal82 kcal
- Proteinmore is betterWIN17.88 g16.77 g
- Carbohydrate0 g0 g
- Fibermore is better0 g0 g
- Total sugarsless is better0 g0 g
- Total fat0.74 g1.2 g
- Saturated fatless is better0.2 g0.18 gWIN
- Sodiumless is better563 mg94 mgWIN
- Potassiummore is better259 mg296 mgWIN
- Calciummore is betterWIN91 mg60 mg
- Ironmore is better0.5 mg0.83 mgWIN
- Magnesiummore is betterWIN36 mg33 mg
- Vitamin Cmore is betterWIN3.3 mg0.9 mg
- Vitamin Dmore is better——
Winners are decided by deterministic per-metric rules on the stated basis; ties and missing data don’t score (missing ≠ zero). Educational information only — not medical advice.

