WellByNumbers.

Clams (cooked) vs Mussels (cooked)

Clams (cooked)Mussels (cooked)
Protein · per 100 g25.6 g23.8 g
Carbs · per 100 g5.1 g7.4 g
Fat · per 100 g1.9 g4.5 g
Fiber · per 100 g0.0 g0.0 g
Energy · per 100 g148.0 kcal172.0 kcal
Protein · per 100 kcal17.3 g13.8 g
To hit 30 g protein117 g · 174 kcal126 g · 217 kcal

The same three numbers, drawn

Protein / 100 g25.623.8Fiber / 100 g0.00.0Protein / 100 kcal17.313.8ClamsMussels

What 30 g of protein looks like on a plate

117 gClams174 kcal rides along126 gMussels217 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 73%carbs 15%fat 13%
protein 58%carbs 18%fat 24%

The one-line verdict: Clams (cooked) delivers 1.2× the protein per calorie of Mussels (cooked) (17.3 g vs 13.8 g per 100 kcal).

More protein / 100 g: ClamsLighter per 100 g: ClamsSmaller 30 g portion: Clams

Swap in your own pair

Bold marks the better side of each row. "Per 100 kcal" answers the density question — which food delivers more protein for the energy it costs. Portion row is computed live from the same USDA base values shown on each food page.