A typical 3 oz cooked serving of ocean perch contains 15.7 grams of protein (18.5 g per 100 g), which makes it a very good source of protein. That covers roughly 31% of the 50 g reference Daily Value, so it can anchor a high-protein meal for the day.
About 77% of the calories in ocean perch 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, ocean perch ranks 93rd by protein per serving, and 231st out of all 796 foods on the site. Set against blue crab, another seafood entry in the database, a serving carries about 0.5 g more protein (blue crab has 15.2 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 #175126 - "Fish, ocean perch, Atlantic, 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
Ocean perch protein FAQ
How much protein is in ocean perch per 100 g?
Ocean perch has 18.5 g of protein per 100 g. A typical 3 oz cooked serving (85 g) provides 15.7 g.
Is ocean perch a complete protein?
Yes. Ocean perch 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 ocean perch cover?
A 3 oz cooked serving of ocean perch contains 15.7 g of protein, about 31% of the 50 g reference Daily Value.
Is ocean perch a good source of protein?
Ocean perch is a very good source of protein, and about 77% of its calories come from protein, which makes it extremely protein-dense. Set against blue crab, another seafood entry in the database, a serving carries about 0.5 g more protein (blue crab has 15.2 g per 3 oz cooked).