A typical 3 oz cooked serving of red snapper contains 22.4 grams of protein (26.3 g per 100 g), which makes it a very good source of protein. That covers roughly 45% of the 50 g reference Daily Value, so it can anchor a high-protein meal for the day.
About 82% of the calories in red snapper come from protein, which makes it extremely protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.
Among the 121 seafood in the database, red snapper ranks 16th by protein per serving, and 89th out of all 796 foods on the site. Set against chum salmon, another seafood entry in the database, a serving carries about 0.5 g more protein (chum salmon has 21.9 g per 3 oz cooked).
It is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own. The serving above is measured by weight at 85 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #173699 - "Fish, snapper, mixed species, cooked, dry heat" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Red snapper protein FAQ
How much protein is in red snapper per 100 g?
Red snapper has 26.3 g of protein per 100 g. A typical 3 oz cooked serving (85 g) provides 22.4 g.
Is red snapper a complete protein?
Yes. Red snapper is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.
How much of the Daily Value does a serving of red snapper cover?
A 3 oz cooked serving of red snapper contains 22.4 g of protein, about 45% of the 50 g reference Daily Value.
Is red snapper a good source of protein?
Red snapper is a very good source of protein, and about 82% of its calories come from protein, which makes it extremely protein-dense. Set against chum salmon, another seafood entry in the database, a serving carries about 0.5 g more protein (chum salmon has 21.9 g per 3 oz cooked).