Fish, eel: Nutrition Facts

Generic food Fish and Seafood

Fish, eel contains 273 kcal per 100 g. A typical serving of 1 oz yields (20 g) provides about 55 kcal.

Roughly 58% of its calories come from fat, with 31% from protein and 12% from carbohydrates (estimated with general energy factors).

That is more 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 Vitamin D, 119% of the Daily Value for Vitamin B12 and 106% of the Daily Value for Vitamin A.

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

273kcal per 100 g
20.6 gprotein
7.8 gcarbohydrates
17.1 gfat
55kcal in 1 oz yields (20 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 273 kcal
Total fat C 17.1 g 22%
Saturated fat C 3.7 g 19%
Cholesterol C 140 mg 47%
Sodium C 317 mg 14%
Total carbohydrates C 7.8 g 3%
Dietary fiber C 0.3 g 1%
Total sugars C 0.14 g
Protein C 20.6 g 41%
Vitamin A C 951 µg106%
Vitamin C C 1.5 mg2%
Vitamin D C 24.5 µg123%
Vitamin E C 4.9 mg33%
Vitamin K C 3.9 µg3%
Thiamin (B1) C 0.23 mg19%
Riboflavin (B2) C 0.089 mg7%
Niacin (B3) C 4.4 mg27%
Vitamin B6 C 0.1 mg6%
Folate (B9) C 39 µg10%
Vitamin B12 C 2.9 µg119%
Choline C 73 mg13%
Calcium C 31 mg2%
Iron C 1.1 mg6%
Magnesium C 24 mg6%
Phosphorus C 242 mg19%
Potassium C 302 mg6%
Zinc C 1.8 mg16%
Copper C 0.042 mg5%
Selenium C 8.9 µg16%

% 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: 31%Carbohydrates: 12%Fat: 58%273kcal / 100 g
  • Protein 31%
  • Carbohydrates 12%
  • Fat 58%

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 D123%Vitamin B12119%Vitamin A106%Vitamin E33%Niacin (B3)27%Phosphorus19%Thiamin (B1)19%Zinc16%Selenium16%Choline13%

Nutritional insights

  • Fiber0.3 gin the top quarter of fish (median 0 g)
  • Sugars0.14 gin the top quarter of fish (median 0.01 g)
  • Fat17.1 gin the top quarter of fish (median 8.8 g)
  • Saturated fat3.7 gin the top quarter of fish (median 1.9 g)
  • Sodium317 mgbelow the median for fish (median 322 mg)
  • Protein per 100 kcal7.5 gprotein density, useful for comparing foods with different calorie levels
  • Water52 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat C9.2 g
Polyunsaturated fat C2.4 g
Individual fatty acids (19)
EPA (omega-3, 20:5 n-3) C0.088 g
DHA (omega-3, 22:6 n-3) C0.066 g
Linoleic acid (omega-6, 18:2) C1.4 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 C0.72 g
SFA 16:0 C2.4 g
SFA 18:0 C0.46 g
MUFA 18:1 C4.5 g
PUFA 18:3 C0.6 g
PUFA 20:4 C0.1 g
MUFA 16:1 C1.3 g
PUFA 18:4 C0 g
MUFA 20:1 C3.2 g
MUFA 22:1 C0 g
PUFA 22:5 n-3 (DPA) C0.078 g
Carotenoids (6)
Beta-carotene C9 µg
Lycopene C0 µg
Lutein + zeaxanthin C7 µg
Retinol C950 µg
Carotene, alpha C0 µg
Cryptoxanthin, beta C0 µg
Other components (8)
Water C52 g
Alcohol C0 g
Caffeine C0 mg
Theobromine C0 mg
Folic acid C13 µg
Folate, food C17 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
Caviar 264 24.6 g 4 g 17.9 g
Crab, soft shell 227 15.5 g 11.7 g 12.7 g
Shrimp scampi 192 15.4 g 2.3 g 13 g
Frog legs 220 14.4 g 11.7 g 12.4 g
Octopus 226 13.2 g 13.4 g 13 g
Crustaceans, shrimp, mixed species, cooked, breaded and fried Cooked 242 21.4 g 11.5 g 12.3 g
Crustaceans, crab, blue, crab cakes, home recipe 155 20.2 g 0.48 g 7.5 g
Abalone 177 21.2 g 7.5 g 6.1 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 273 kcal. 1 oz yields (20 g): about 55 kcal. 1 cubic inch (17 g): about 46 kcal. 1 cup (135 g): about 369 kcal.

Is fish high in protein?

Fish contains 20.6 g of protein per 100 g (41% of the 50 g Daily Value), or 4.1 g in 1 oz yields (20 g). About 31% of its calories come from protein.

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 17.1 g of fat per 100 g, of which 3.7 g is saturated (19% 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 D (123% DV), Vitamin B12 (119% DV), Vitamin A (106% DV), Vitamin E (33% DV) and Niacin (B3) (27% DV). The full list is in the vitamins and minerals table above.

How much sodium is in fish?

100 g contains 317 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, eel has 273 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 2706247. 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.