| Measure | Bluefin tuna | Octopus |
|---|---|---|
| Typical serving | 3 oz cooked (85 g) | 3 oz cooked (85 g) |
| Protein per serving | 25.4 g | 25.3 g |
| Protein per 100 g | 29.9 g | 29.8 g |
| Calories per serving | 156 kcal | 139 kcal |
| Protein density | 65% of calories | 73% of calories |
| Share of 50 g Daily Value | 51% | 51% |
| Protein quality | Complete | Complete |
| Category | Seafood | Seafood |
Compare foods · Bluefin tuna · Octopus
Protein comparison
Bluefin tuna vs Octopus: which has more protein?
Bluefin tuna gives you 25.4 g of protein per 3 oz cooked; octopus gives you 25.3 g per 3 oz cooked. On equal weight it is 29.9 g against 29.8 g per 100 g. The full side-by-side, from the same USDA-sourced records as the rest of the site:
The verdict
On equal weight this is close to a tie: bluefin tuna has 29.9 g of protein per 100 g and octopus has 29.8 g. Per typical serving they are also nearly even: 25.4 g per 3 oz cooked of bluefin tuna against 25.3 g per 3 oz cooked of octopus.
For the full breakdown of each food, see the protein in bluefin tuna and protein in octopus pages, each with its USDA FoodData Central record id.
Quick answers
Bluefin tuna vs Octopus FAQ
Which has more protein, bluefin tuna or octopus?
Bluefin tuna has more protein per 100 g: 29.9 g against 29.8 g. Per typical serving, bluefin tuna provides 25.4 g (3 oz cooked) and octopus provides 25.3 g (3 oz cooked).
Is bluefin tuna or octopus more protein-dense?
Octopus is the more protein-dense of the two: about 73% of its calories come from protein, against 65% for bluefin tuna.
Are bluefin tuna and octopus complete proteins?
Yes, both. Bluefin tuna and octopus each supply all nine essential amino acids in adequate amounts, so either can carry a meal's protein on its own.
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