Crawfish Nutrition Facts

FoodData Central Updated 30 March 2026

3 oz of crawfish contains 69.7 calories, 14.3g protein, 0g carbs, and 1g fat. Crawfish is listed in the protein foods category that is low in calories. It is a good source of protein.

69.7

cal

0g

carbs

14.3g

protein

amino acids ↓

1g

fat

0g

fiber

0g

sugar

Vitamins in Crawfish

Per 3 oz ~85g

Vitamin A
12.8mcg
1%
Vitamin C
0.77mg
<1%
Vitamin E
1.27mg
9%
Vitamin K
0.09mcg
<1%
Vitamin B6
0.07mg
4%
Vitamin B12
1.83mcg
76%
Thiamin (B1)
0.04mg
4%
Niacin (B3)
1.94mg
12%
Folate
37.4mcg
9%

Minerals in Crawfish

Per 3 oz ~85g

Calcium
51mg
4%
Iron
0.71mg
4%
Magnesium
28.1mg
7%
Phosphorus
230mg
18%
Potassium
252mg
5%
Sodium
79.9mg
3%
Zinc
1.5mg
14%
Selenium
31.2mcg
57%
Copper
0.59mg
65%
Manganese
0.44mg
19%

Amino Acids in Crawfish

Protein breakdown per 3 oz (85g), from the USDA record for this food.

Complete protein

Crawfish supplies all nine essential amino acids at or above the FAO/WHO adult reference pattern.

Essential Amino Acids Per 3 oz (85g) Per 100g % of Protein
Histidine 290mg 341mg 2%
Isoleucine 689mg 811mg 4.8%
Leucine 1130mg 1329mg 7.9%
Lysine 1238mg 1457mg 8.7%
Methionine 401mg 472mg 2.8%
Phenylalanine 600mg 706mg 4.2%
Threonine 575mg 676mg 4%
Tryptophan 199mg 234mg 1.4%
Valine 668mg 786mg 4.7%
Other Amino Acids Per 3 oz (85g) Per 100g % of Protein
Alanine 805mg 947mg 5.6%
Arginine 1244mg 1463mg 8.7%
Aspartic Acid 1471mg 1731mg 10.3%
Cystine 160mg 188mg 1.1%
Glutamic Acid 2428mg 2856mg 17%
Glycine 858mg 1009mg 6%
Proline 470mg 553mg 3.3%
Serine 561mg 660mg 3.9%
Tyrosine 474mg 558mg 3.3%

Protein quality is scored against the FAO/WHO/UNU 2007 adult indispensable amino acid reference pattern. The FDA publishes no Daily Values for individual amino acids, so the share of total protein is shown instead.

Learn More About Crawfish

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Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.