# item.guide
Side-by-Side Comparison Fish & Seafood

Sardines (Canned in Olive Oil) vs. Yellowfin Tuna (Fresh Ahi Steak)

Comparing 2 standards across 9 specifications. 9 key differences identified.

Comparing:
Sardines (Canned in Olive Oil)
Yellowfin Tuna (Fresh Ahi Steak)

Canned sardines (Sardina pilchardus) consumed whole with edible bones are nutrient powerhouses. Per 100g drained, they deliver 208 kcal, 24.6g protein, 11.5g fat, 1,480mg Omega-3 (EPA+DHA), 382mg calcium (38% DV), and ultra-low mercury.

View full Sardines (Canned in Olive Oil) spec sheet →

Fresh Yellowfin tuna (Thunnus albacares) is a lean predatory pelagic fish. Per 100g raw, it provides 109 kcal, 24.4g protein, 0.49g fat, and 240mg Omega-3 with dense myoglobin creating deep red sashimi-grade steaks.

View full Yellowfin Tuna (Fresh Ahi Steak) spec sheet →

Specification Comparison Table

9 Parameters
Parameter / Spec
Energy / Calories
208 kcal 109 kcal
Protein
24.6 g 24.4 g
Total Fat
11.5 g 0.49 g
Omega-3 (EPA + DHA)
1,480 mg 240 mg
Saturated Fat
1.53 g 0.13 g
Cholesterol
142 mg 39.0 mg
Mercury Level
Extremely Low (< 0.015 PPM) Moderate (~0.35 PPM)
Potassium
397 mg 444 mg
USDA Safe Internal Temp
Precooked / Shelf-Stable 63°C (145°F) (Rare-seared ahi, ~46°C/115°F, is common but below the FDA-recommended minimum -- relies on the fish being sushi/sashimi-grade and previously frozen to control parasites, which does not address bacterial safety)