Fish, tuna, NFS: Nutrition Facts

Generic food Fish and Seafood

Fish, tuna, NFS contains 85 kcal per 100 g. A typical serving of 1 oz yields (20 g) provides about 17 kcal.

Roughly 90% of its calories come from protein, with 10% from fat and 0.4% from carbohydrates (estimated with general energy factors).

That is less energy than the typical item in fish on FoodFactly, where the median is 188 kcal per 100 g across 109 foods.

100 g provides 123% of the Daily Value for selenium, 107% of the Daily Value for Vitamin B12 and 62% of the Daily Value for Niacin (B3).

The data comes from the USDA Food and Nutrient Database for Dietary Studies (FNDDS), which calculates values from recipes of the ingredients.

85kcal per 100 g
19 gprotein
0.08 gcarbohydrates
0.94 gfat
17kcal in 1 oz yields (20 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 85 kcal
Total fat C 0.94 g 1%
Saturated fat C 0.22 g 1%
Cholesterol C 36 mg 12%
Sodium C 219 mg 10%
Total carbohydrates C 0.08 g 0%
Dietary fiber C 0 g 0%
Total sugars C 0 g
Protein C 19 g 38%
Vitamin A C 17 µg2%
Vitamin C C 0 mg0%
Vitamin D C 1.2 µg6%
Vitamin E C 0.33 mg2%
Vitamin K C 0.2 µg0.2%
Thiamin (B1) C 0.03 mg3%
Riboflavin (B2) C 0.082 mg6%
Niacin (B3) C 9.9 mg62%
Vitamin B6 C 0.32 mg19%
Folate (B9) C 4 µg1%
Vitamin B12 C 2.6 µg107%
Choline C 29.3 mg5%
Calcium C 18 mg1%
Iron C 1.7 mg9%
Magnesium C 23 mg5%
Phosphorus C 137 mg11%
Potassium C 176 mg4%
Zinc C 0.66 mg6%
Copper C 0.048 mg5%
Selenium C 67.8 µg123%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 90%Carbohydrates: 0.4%Fat: 10%85kcal / 100 g
  • Protein 90%
  • Carbohydrates 0.4%
  • Fat 10%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Selenium123%Vitamin B12107%Niacin (B3)62%Vitamin B619%Phosphorus11%Iron9%Riboflavin (B2)6%Vitamin D6%Zinc6%Magnesium5%

Nutritional insights

  • Protein19 gbelow the median for fish (median 20.6 g)
  • Sugars0 gin the lowest quarter of fish (median 0.01 g)
  • Fat0.94 gin the lowest quarter of fish (median 8.8 g)
  • Saturated fat0.22 gin the lowest quarter of fish (median 1.9 g)
  • Sodium219 mgin the lowest quarter of fish (median 322 mg)
  • Protein per 100 kcal22.4 gprotein density, useful for comparing foods with different calorie levels
  • Water79 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat C0.11 g
Polyunsaturated fat C0.26 g
Individual fatty acids (19)
EPA (omega-3, 20:5 n-3) C0.025 g
DHA (omega-3, 22:6 n-3) C0.2 g
Linoleic acid (omega-6, 18:2) C0.013 g
SFA 4:0 C0.001 g
SFA 6:0 C0 g
SFA 8:0 C0 g
SFA 10:0 C0.002 g
SFA 12:0 C0 g
SFA 14:0 C0.011 g
SFA 16:0 C0.13 g
SFA 18:0 C0.054 g
MUFA 18:1 C0.087 g
PUFA 18:3 C0.002 g
PUFA 20:4 C0.022 g
MUFA 16:1 C0.017 g
PUFA 18:4 C0.002 g
MUFA 20:1 C0.004 g
MUFA 22:1 C0 g
PUFA 22:5 n-3 (DPA) C0.004 g
Carotenoids (6)
Beta-carotene C0 µg
Lycopene C0 µg
Lutein + zeaxanthin C0 µg
Retinol C17 µg
Carotene, alpha C0 µg
Cryptoxanthin, beta C0 µg
Other components (8)
Water C79 g
Alcohol C0 g
Caffeine C0 mg
Theobromine C0 mg
Folic acid C0 µg
Folate, food C4 µg
Vitamin E, added C0 mg
Vitamin B-12, added C0 µg

Other forms of Fish

Raw, cooked, dried and processed versions are separate records with their own measured values.

Per 100 g. Calories in kcal. n/a: not reported by the source.

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
Crustaceans, crab, blue swimming, lump, pasteurized, refrigerated 86 18.7 g 0 g 0.81 g
Crab 83 17.9 g 0 g 0.74 g
Lobster 97 20.9 g 0 g 0.95 g
Mussels 109 15.1 g 4.7 g 2.8 g
Clams, NFS 143 16.1 g 6.7 g 5.2 g
Escargot 158 20 g 2.5 g 6.9 g
Crustaceans, crab, blue, crab cakes, home recipe 155 20.2 g 0.48 g 7.5 g
Shrimp cocktail 99 13.2 g 7.9 g 1.2 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in fish?

100 g of fish has 85 kcal. 1 oz yields (20 g): about 17 kcal. 1 cubic inch (17 g): about 14 kcal. 1 small/regular fillet (90 g): about 77 kcal.

Is fish high in protein?

Fish contains 19 g of protein per 100 g (38% of the 50 g Daily Value), or 3.8 g in 1 oz yields (20 g). About 90% of its calories come from protein. Compared with other fish, that is below the median (median 20.6 g).

How many carbs are in fish?

Fish has 0.08 g of total carbohydrates per 100 g, including 0 g of fiber and 0 g of sugars.

How much fat is in fish?

Fish contains 0.94 g of fat per 100 g, of which 0.22 g is saturated (1% of the Daily Value).

What vitamins and minerals does fish contain?

Per 100 g, the most notable amounts relative to the Daily Value are selenium (123% DV), Vitamin B12 (107% DV), Niacin (B3) (62% DV), Vitamin B6 (19% DV) and phosphorus (11% DV). The full list is in the vitamins and minerals table above.

How much sodium is in fish?

100 g contains 219 mg of sodium, 10% of the 2,300 mg Daily Value.

Does fish have the same nutrition not specified and cooked?

No. Per 100 g, fish, tuna, NFS has 85 kcal, while fish, salmon, king, chinook, smoked and canned (Alaska Native) has 150 kcal. Cooking changes the water content, so always use the record that matches how you weigh the food.

Where does this nutrition data come from?

From USDA FoodData Central: FNDDS (Survey), record dated October 31, 2024. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: FNDDS (Survey), record 2706309. License: CC0 1.0 (U.S. public domain). Source record dated October 31, 2024. Imported November 6, 2026.

Last updated: . Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.