| Measure | Fish roe | Tuna steak (yellowfin) |
|---|---|---|
| Typical serving | 3 oz cooked (85 g) | 3 oz cooked (85 g) |
| Protein per serving | 24.3 g | 24.8 g |
| Protein per 100 g | 28.6 g | 29.2 g |
| Calories per serving | 173 kcal | 111 kcal |
| Protein density | 56% of calories | 90% of calories |
| Share of 50 g Daily Value | 49% | 50% |
| Protein quality | Complete | Complete |
| Category | Seafood | Seafood |
Compare foods · Fish roe · Tuna steak (yellowfin)
Protein comparison
Fish roe vs Tuna steak (yellowfin): which has more protein?
Fish roe gives you 24.3 g of protein per 3 oz cooked; tuna steak (yellowfin) gives you 24.8 g per 3 oz cooked. On equal weight it is 28.6 g against 29.2 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: fish roe has 28.6 g of protein per 100 g and tuna steak (yellowfin) has 29.2 g. Per typical serving, tuna steak (yellowfin) delivers 24.8 g (3 oz cooked) to fish roe's 24.3 g (3 oz cooked), a difference of 0.5 g.
For the full breakdown of each food, see the protein in fish roe and protein in tuna steak (yellowfin) pages, each with its USDA FoodData Central record id.
Quick answers
Fish roe vs Tuna steak (yellowfin) FAQ
Which has more protein, fish roe or tuna steak (yellowfin)?
Tuna steak (yellowfin) has more protein per 100 g: 29.2 g against 28.6 g. Per typical serving, fish roe provides 24.3 g (3 oz cooked) and tuna steak (yellowfin) provides 24.8 g (3 oz cooked).
Is fish roe or tuna steak (yellowfin) more protein-dense?
Tuna steak (yellowfin) is the more protein-dense of the two: about 90% of its calories come from protein, against 56% for fish roe.
Are fish roe and tuna steak (yellowfin) complete proteins?
Yes, both. Fish roe and tuna steak (yellowfin) 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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