Fish, snapper: Nutrition Facts

Generic food Fish and Seafood

Fish, snapper contains 185 kcal per 100 g. A typical serving of 1 oz yields (20 g) provides about 37 kcal.

Roughly 51% of its calories come from protein, with 32% from fat and 17% from carbohydrates (estimated with general energy factors).

That is close to the median for fish on FoodFactly (188 kcal per 100 g).

100 g provides 119% of the Daily Value for Vitamin B12, 77% of the Daily Value for selenium and 54% of the Daily Value for Vitamin D.

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

185kcal per 100 g
22.8 gprotein
7.8 gcarbohydrates
6.3 gfat
37kcal in 1 oz yields (20 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 185 kcal
Total fat C 6.3 g 8%
Saturated fat C 1.6 g 8%
Cholesterol C 47 mg 16%
Sodium C 330 mg 14%
Total carbohydrates C 7.8 g 3%
Dietary fiber C 0.3 g 1%
Total sugars C 0.14 g
Protein C 22.8 g 46%
Vitamin A C 51 µg6%
Vitamin C C 1.3 mg1%
Vitamin D C 10.8 µg54%
Vitamin E C 1.7 mg11%
Vitamin K C 4 µg3%
Thiamin (B1) C 0.14 mg12%
Riboflavin (B2) C 0.052 mg4%
Niacin (B3) C 0.98 mg6%
Vitamin B6 C 0.42 mg24%
Folate (B9) C 30 µg8%
Vitamin B12 C 2.9 µg119%
Choline C 73 mg13%
Calcium C 44 mg3%
Iron C 0.78 mg4%
Magnesium C 37 mg9%
Phosphorus C 223 mg18%
Potassium C 454 mg10%
Zinc C 0.48 mg4%
Copper C 0.048 mg5%
Selenium C 42.1 µg77%

% 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: 51%Carbohydrates: 17%Fat: 32%185kcal / 100 g
  • Protein 51%
  • Carbohydrates 17%
  • Fat 32%

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

Vitamin B12119%Selenium77%Vitamin D54%Vitamin B624%Phosphorus18%Choline13%Thiamin (B1)12%Vitamin E11%Potassium10%Magnesium9%

Nutritional insights

  • Protein22.8 gabove the median for fish (median 20.6 g)
  • Fiber0.3 gin the top quarter of fish (median 0 g)
  • Sugars0.14 gin the top quarter of fish (median 0.01 g)
  • Fat6.3 gbelow the median for fish (median 8.8 g)
  • Saturated fat1.6 gbelow the median for fish (median 1.9 g)
  • Sodium330 mgabove the median for fish (median 322 mg)
  • Protein per 100 kcal12.3 gprotein density, useful for comparing foods with different calorie levels
  • Water61.1 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat C1.9 g
Polyunsaturated fat C1.9 g
Individual fatty acids (19)
EPA (omega-3, 20:5 n-3) C0.054 g
DHA (omega-3, 22:6 n-3) C0.27 g
Linoleic acid (omega-6, 18:2) C1.3 g
SFA 4:0 C0.032 g
SFA 6:0 C0.022 g
SFA 8:0 C0.013 g
SFA 10:0 C0.03 g
SFA 12:0 C0.036 g
SFA 14:0 C0.15 g
SFA 16:0 C0.87 g
SFA 18:0 C0.35 g
MUFA 18:1 C1.8 g
PUFA 18:3 C0.15 g
PUFA 20:4 C0.053 g
MUFA 16:1 C0.09 g
PUFA 18:4 C0.01 g
MUFA 20:1 C0.043 g
MUFA 22:1 C0 g
PUFA 22:5 n-3 (DPA) C0.069 g
Carotenoids (6)
Beta-carotene C9 µg
Lycopene C0 µg
Lutein + zeaxanthin C7 µg
Retinol C50 µg
Carotene, alpha C0 µg
Cryptoxanthin, beta C0 µg
Other components (8)
Water C61.1 g
Alcohol C0 g
Caffeine C0 mg
Theobromine C0 mg
Folic acid C13 µg
Folate, food C8 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
Abalone 177 21.2 g 7.5 g 6.1 g
Escargot 158 20 g 2.5 g 6.9 g
Turtle 157 24.6 g 0 g 5.8 g
Crustaceans, crab, blue, crab cakes, home recipe 155 20.2 g 0.48 g 7.5 g
Clams, NFS 143 16.1 g 6.7 g 5.2 g
Shellfish, NFS 146 15.5 g 4.9 g 6.7 g
Shrimp, NFS 146 15.5 g 4.9 g 6.7 g
Lobster 97 20.9 g 0 g 0.95 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 185 kcal. 1 oz yields (20 g): about 37 kcal. 1 cubic inch (17 g): about 31 kcal. 1 fillet, any size (90 g): about 167 kcal.

Is fish high in protein?

Fish contains 22.8 g of protein per 100 g (46% of the 50 g Daily Value), or 4.6 g in 1 oz yields (20 g). About 51% of its calories come from protein. Compared with other fish, that is above the median (median 20.6 g).

How many carbs are in fish?

Fish has 7.8 g of total carbohydrates per 100 g, including 0.3 g of fiber and 0.14 g of sugars.

How much fat is in fish?

Fish contains 6.3 g of fat per 100 g, of which 1.6 g is saturated (8% of the Daily Value).

What vitamins and minerals does fish contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamin B12 (119% DV), selenium (77% DV), Vitamin D (54% DV), Vitamin B6 (24% DV) and phosphorus (18% DV). The full list is in the vitamins and minerals table above.

How much sodium is in fish?

100 g contains 330 mg of sodium, 14% of the 2,300 mg Daily Value.

Does fish have the same nutrition not specified and cooked?

No. Per 100 g, fish, snapper has 185 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 2706283. 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.