Crayfish
Small freshwater shellfish, sweet and very lean.

Nutrition per 100 g
Standardised to 100 g of crayfish, cooked for fair comparison. Typical serving: 100 g cooked — 87 kcal per 100 g serving.
| Nutrient | Per 100 g | Per serving (100 g) | Per 100 kcal |
|---|---|---|---|
| Energy | 87 kcal | 87 kcal | 100 kcal |
| Protein | 18 g | 18 g | 20.7 g |
| Carbohydrate | 0 g | 0 g | 0 g |
| Fat | 1.2 g | 1.2 g | 1.4 g |
| Fibre | 0 g | 0 g | 0 g |
Figures are typical values and vary with variety, preparation and brand.
Micronutrients
Vitamins and minerals per 100 g of crayfish, with a typical serving and FDA Daily Value for adults.
| Nutrient | Per 100 g | Per serving (100 g) | % DV |
|---|---|---|---|
| Vitamins | |||
| Vitamin A | 15 µg | 15 µg | 2% |
| Vitamin C | 0.5 mg | 0.5 mg | <1% |
| Thiamin | 0.047 mg | 0.047 mg | 4% |
| Riboflavin | 0.08 mg | 0.08 mg | 6% |
| Niacin | 1.7 mg | 1.7 mg | 11% |
| Vitamin B6 | 0.13 mg | 0.13 mg | 8% |
| Folate | 11 µg | 11 µg | 3% |
| Vitamin B12 | 3.1 µg | 3.1 µg | 129% |
| Pantothenic acid | 0.51 mg | 0.51 mg | 10% |
| Minerals | |||
| Calcium | 51 mg | 51 mg | 4% |
| Iron | 1.1 mg | 1.1 mg | 6% |
| Magnesium | 33 mg | 33 mg | 8% |
| Phosphorus | 241 mg | 241 mg | 19% |
| Potassium | 238 mg | 238 mg | 5% |
| Sodium | 97 mg | 97 mg | 4% |
| Zinc | 1.5 mg | 1.5 mg | 14% |
| Selenium | 34.2 µg | 34.2 µg | 62% |
| Copper | 0.58 mg | 0.58 mg | 64% |
| Manganese | 0.22 mg | 0.22 mg | 10% |
Source: USDA FoodData Central — Crustaceans, crayfish, mixed species, farmed, cooked, moist heat
% DV uses FDA Daily Values for adults. Nutrients that USDA does not report for this entry are omitted. Values vary with variety, preparation and brand.
Why eat crayfish?
- 18 g of protein for under 90 kcal.
- Excellent B12 and copper.
How to include it
- Boil with herbs and lemon.
- Toss cooked tails through salads and pasta.
Things to consider
- Shellfish is a major allergen.
- Boil-in seasonings can be extremely salty.
Educational content. This article is for general information and is not medical advice. Speak to a qualified health professional about your individual circumstances.
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