USDA reference food · Finfish and Shellfish Products

Crustaceans, crab, queen, cooked, moist heat

3 oz of crustaceans, crab, queen, cooked, moist heat (85 g) has 100 calories, 20g of protein, 1.5g of fat and 0g of fiber (USDA FoodData Central, SR Legacy, FDC 172008). It is one of 17 USDA descriptions of crab.

FoodData Central 172008, SR Legacy, in the April 30, 2026 release; USDA record.

Nutrition Facts

Serving size3 oz (85g)

AmountPortion

Amount per serving

Calories100

% Daily Value*

Total Fat 1.5g2%

Saturated Fat 0g1%

Trans Fat not declared

Cholesterol 60mg20%

Sodium 590mg26%

Total Carbohydrate 0g0%

Dietary Fiber 0g0%

Total Sugars not declared

Includes Added Sugars not declared

Protein 20g40%

Vitamin D not declared

Calcium 30mg2%

Iron 2.4mg14%

Potassium 170mg4%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.

USDA values per 100 g (SR Legacy), scaled to the portion. Check the USDA record.

Protein per 100 g: 23.7g; more than 84% of 8,218 USDA reference foods
Calories per 100 g: 115; more than 32% of reference foods
Fiber per 100 g: 0g; more than 0% of reference foods

What a portion gives you

Fiber 0g0%

Protein 20g40%

Potassium 170mg4%

Calcium 30mg2%

Iron 2.4mg14%

Sodium 590mg26%

Ticks: 5% of the Daily Value (FDA: low) and 20% (high)

Source: USDA FoodData Central, SR Legacy (FDC 172008); FDA Daily Values, 21 CFR 101.9.

Also rich in

Vitamin B128.8 µg in 3 oz (85 g), 368% of the Daily Value
Selenium38 µg in 3 oz (85 g), 69% of the Daily Value
Copper0.5 mg in 3 oz (85 g), 59% of the Daily Value
Zinc3.1 mg in 3 oz (85 g), 28% of the Daily Value
Riboflavin0.2 mg in 3 oz (85 g), 16% of the Daily Value
Niacin2.5 mg in 3 oz (85 g), 15% of the Daily Value
Magnesium54 mg in 3 oz (85 g), 13% of the Daily Value

Source: USDA FoodData Central (FDC 172008), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.

Where the calories come from: 0% carbohydrate, 13% fat and 87% protein (4 calories a gram of protein or carbohydrate, 9 of fat).

Where it sits among USDA reference foods

Per 100 g	This food	Share with less
Calories	115	32%
Protein	23.7 g	84%
Total fat	1.51 g	32%
Carbohydrate	0 g	0%
Fiber	0 g	0%
Sodium	691 mg	89%

Source: USDA FoodData Central, SR Legacy and Foundation Foods: the 7,472 to 8,218 reference foods that report each value; the share of them with less per 100 g.

Every nutrient in this record (65)

The portion is 3 oz (85 g); % DV is for that portion.

Energy, macronutrients and sugars (11)

Nutrient	Per portion	Per 100 g	% DV
Protein	20.2 g	23.7 g	40%
Total lipid (fat)	1.28 g	1.51 g	2%
Carbohydrate, by difference	0 g	0 g	0%
Ash	2.18 g	2.56 g
Energy	97.8 kcal	115 kcal
Water	63.8 g	75.1 g
Fiber, total dietary	0 g	0 g	0%
Cholesterol	60.4 mg	71.0 mg	20%
Fatty acids, total saturated	0.16 g	0.18 g	1%
Fatty acids, total monounsaturated	0.28 g	0.33 g
Fatty acids, total polyunsaturated	0.46 g	0.54 g

Minerals (10)

Nutrient	Per portion	Per 100 g	% DV
Calcium, Ca	28.1 mg	33.0 mg	2%
Iron, Fe	2.45 mg	2.88 mg	14%
Magnesium, Mg	53.5 mg	63.0 mg	13%
Phosphorus, P	109 mg	128 mg	9%
Potassium, K	170 mg	200 mg	4%
Sodium, Na	587 mg	691 mg	26%
Zinc, Zn	3.05 mg	3.59 mg	28%
Copper, Cu	0.53 mg	0.62 mg	59%
Manganese, Mn	0.031 mg	0.037 mg	1%
Selenium, Se	37.7 µg	44.4 µg	69%

Vitamins (13)

Nutrient	Per portion	Per 100 g	% DV
Retinol	44.2 µg	52.0 µg
Vitamin A, RAE	44.2 µg	52.0 µg	5%
Vitamin C, total ascorbic acid	6.12 mg	7.20 mg	7%
Thiamin	0.082 mg	0.097 mg	7%
Riboflavin	0.21 mg	0.24 mg	16%
Niacin	2.45 mg	2.88 mg	15%
Pantothenic acid	0.34 mg	0.40 mg
Vitamin B-6	0.15 mg	0.17 mg	9%
Folate, total	35.7 µg	42.0 µg
Vitamin B-12	8.82 µg	10.4 µg	368%
Folic acid	0 µg	0 µg
Folate, food	35.7 µg	42.0 µg
Folate, DFE	35.7 µg	42.0 µg	9%

Amino acids (18)

Nutrient	Per portion	Per 100 g
Tryptophan	0.28 g	0.33 g
Threonine	0.81 g	0.96 g
Isoleucine	0.97 g	1.15 g
Leucine	1.60 g	1.88 g
Lysine	1.75 g	2.06 g
Methionine	0.57 g	0.67 g
Cystine	0.23 g	0.27 g
Phenylalanine	0.85 g	1.0 g
Tyrosine	0.67 g	0.79 g
Valine	0.95 g	1.11 g
Arginine	1.76 g	2.07 g
Histidine	0.41 g	0.48 g
Alanine	1.14 g	1.34 g
Aspartic acid	2.08 g	2.45 g
Glutamic acid	3.43 g	4.04 g
Glycine	1.21 g	1.43 g
Proline	0.66 g	0.78 g
Serine	0.79 g	0.93 g

Fatty acids (13)

Nutrient	Per portion	Per 100 g
SFA 14:0	0.0043 g	0.0050 g
SFA 16:0	0.13 g	0.15 g
SFA 18:0	0.022 g	0.026 g
MUFA 18:1	0.20 g	0.24 g
PUFA 18:2	0.0068 g	0.0080 g
PUFA 18:3	0.0026 g	0.0030 g
PUFA 20:4	0.036 g	0.042 g
PUFA 22:6 n-3 (DHA)	0.12 g	0.14 g
MUFA 16:1	0.054 g	0.064 g
PUFA 18:4	0.00085 g	0.0010 g
MUFA 20:1	0.024 g	0.028 g
PUFA 20:5 n-3 (EPA)	0.28 g	0.33 g
PUFA 22:5 n-3 (DPA)	0.0085 g	0.010 g

Source: USDA FoodData Central, FDC 172008: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.

Other ways to eat crab

USDA lists 17 preparations of crab. The crab page puts them side by side, per 100 g and per portion.

Compare every crab preparation

Next questions

Every common food in finfish and shellfish productscalories, protein, fat and carbohydrate side by side
Foods high in proteinthis food has more protein per 100 g than 84% of reference foods
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Sources for this page

USDA FoodData Central: this record and every record it is compared with, April 30, 2026 release. fdc.nal.usda.gov
FoodData Central documentation: what branded, SR Legacy, Foundation and survey records are. fdc.nal.usda.gov
USDA Food and Nutrient Database for Dietary Studies: survey foods and their household portions. ars.usda.gov
21 CFR 101.9, Nutrition labeling of food: the label format, its rounding and the Daily Values. ecfr.gov
21 CFR 101 subpart D, Nutrient content claims: the FDA thresholds the comparisons count. ecfr.gov
FDA, How to Understand and Use the Nutrition Facts Label: the 5% and 20% Daily Value rule. fda.gov