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Crab vs. Crayfish — In-Depth Nutrition Comparison

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What are the differences between Crab and Crayfish?

  • Crab is higher in Vitamin B12, Zinc, Copper, Selenium, Vitamin B5, and Vitamin B6, yet Crayfish is higher in Manganese, and Phosphorus.
  • Crab's daily need coverage for Vitamin B12 is 49% more.
  • Crab has 6 times more Sodium than Crayfish. While Crab has 563mg of Sodium, Crayfish has only 94mg.

We used Crustaceans, crab, blue, canned and Crustaceans, crayfish, mixed species, wild, cooked, moist heat types in this article.

Infographic

Crab vs Crayfish infographic
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Mineral Comparison

Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Crab
4
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 26% 27% 23% 19% 271% 104% 100% 73% 9.7% 234%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 24% 18% 26% 31% 228% 48% 116% 12% 68% 200%
Contains more CalciumCalcium +51.7%
Contains more CopperCopper +18.8%
Contains more ZincZinc +116.5%
Contains more SeleniumSelenium +16.9%
Contains more PotassiumPotassium +14.3%
Contains more IronIron +66%
Contains more PhosphorusPhosphorus +15.4%
Contains less SodiumSodium -83.3%
Contains more ManganeseManganese +605.4%
~equal in Magnesium ~33mg

Vitamin Comparison

Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Crab
8
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 11% 0.12% 37% 0% 5.8% 21% 52% 60% 36% 416% 0.75% 38% 44%
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 3% 3% 30% 0% 13% 20% 43% 35% 18% 269% 0.25% 33% 44%
Contains more Vitamin CVitamin C +266.7%
Contains more Vitamin EVitamin E +22.7%
Contains more Vitamin B3Vitamin B3 +20.5%
Contains more Vitamin B5Vitamin B5 +71.9%
Contains more Vitamin B6Vitamin B6 +105.3%
Contains more Vitamin B12Vitamin B12 +54.9%
Contains more Vitamin KVitamin K +200%
Contains more FolateFolate +15.9%
Contains more Vitamin AVitamin A +2400%
Contains more Vitamin B1Vitamin B1 +117.4%
~equal in Vitamin D ~0µg
~equal in Vitamin B2 ~0.085mg
~equal in Choline ~80.9mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Crab
2
18% 80% 2%
Protein: 17.88 g
Fats: 0.74 g
Carbs: 0 g
Water: 79.69 g
Other: 1.69 g
17% 79% 3%
Protein: 16.77 g
Fats: 1.2 g
Carbs: 0 g
Water: 79.37 g
Other: 2.66 g
Contains more FatsFats +62.2%
Contains more OtherOther +57.4%
~equal in Protein ~16.77g
~equal in Carbs ~0g
~equal in Water ~79.37g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Crab
0
34% 22% 44%
Saturated Fat: Sat. Fat 0.201 g
Monounsaturated Fat: Mono. Fat 0.129 g
Polyunsaturated fat: Poly. Fat 0.258 g
23% 31% 46%
Saturated Fat: Sat. Fat 0.181 g
Monounsaturated Fat: Mono. Fat 0.244 g
Polyunsaturated fat: Poly. Fat 0.367 g
Contains more Mono. FatMonounsaturated Fat +89.1%
Contains more Poly. FatPolyunsaturated fat +42.2%
~equal in Saturated Fat ~0.181g

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Crab Crayfish
Lower in Sodium ok
Lower in Saturated Fat ok
Lower in price ok
Lower in Cholesterol ok
Rich in vitamins ok
Lower in Sugar Equal
Lower in Glycemic Index Equal
Rich in minerals Equal

All nutrients comparison - raw data values

Nutrient Crab Crayfish Opinion
Calories 83kcal 82kcal Crab
Protein 17.88g 16.77g Crab
Fats 0.74g 1.2g Crayfish
Vitamin C 3.3mg 0.9mg Crab
Cholesterol 97mg 133mg Crab
Magnesium 36mg 33mg Crab
Calcium 91mg 60mg Crab
Potassium 259mg 296mg Crayfish
Iron 0.5mg 0.83mg Crayfish
Copper 0.814mg 0.685mg Crab
Zinc 3.81mg 1.76mg Crab
Phosphorus 234mg 270mg Crayfish
Sodium 563mg 94mg Crayfish
Vitamin A 2IU 50IU Crayfish
Vitamin A 1µg 15µg Crayfish
Vitamin E 1.84mg 1.5mg Crab
Manganese 0.074mg 0.522mg Crayfish
Selenium 42.9µg 36.7µg Crab
Vitamin B1 0.023mg 0.05mg Crayfish
Vitamin B2 0.093mg 0.085mg Crab
Vitamin B3 2.747mg 2.28mg Crab
Vitamin B5 0.997mg 0.58mg Crab
Vitamin B6 0.156mg 0.076mg Crab
Vitamin B12 3.33µg 2.15µg Crab
Vitamin K 0.3µg 0.1µg Crab
Folate 51µg 44µg Crab
Trans Fat 0.014g Crayfish
Choline 80.9mg 80.9mg
Saturated Fat 0.201g 0.181g Crayfish
Monounsaturated Fat 0.129g 0.244g Crayfish
Polyunsaturated fat 0.258g 0.367g Crayfish
Tryptophan 0.226mg 0.234mg Crayfish
Threonine 0.727mg 0.676mg Crab
Isoleucine 0.776mg 0.811mg Crayfish
Leucine 1.307mg 1.329mg Crayfish
Lysine 1.386mg 1.457mg Crayfish
Methionine 0.452mg 0.472mg Crayfish
Phenylalanine 0.708mg 0.706mg Crab
Valine 0.806mg 0.786mg Crab
Histidine 0.393mg 0.341mg Crab
Omega-3 - EPA 0.101g 0.119g Crayfish
Omega-3 - DHA 0.067g 0.047g Crab
Omega-3 - DPA 0.009g 0g Crab
Omega-6 - Eicosadienoic acid 0.005g Crab

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Crab Crayfish
Low Calories diet ok
Low Fats diet ok
Low Carbs diet Equal
Low Glycemic Index diet Equal

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Vitamins & Minerals Daily Need Coverage Score

The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
56%
Crab
39%
Crayfish
Minerals Daily Need Coverage Score
89%
Crab
77%
Crayfish

Comparison summary

Which food contains less Sodium?
Crayfish
Crayfish contains less Sodium (difference - 469mg)
Which food is lower in Saturated Fat?
Crayfish
Crayfish is lower in Saturated Fat (difference - 0.02g)
Which food is cheaper?
Crayfish
Crayfish is cheaper (difference - $12)
Which food is lower in Cholesterol?
Crab
Crab is lower in Cholesterol (difference - 36mg)
Which food is richer in vitamins?
Crab
Crab is relatively richer in vitamins
Which food contains less Sugar?
?
The foods are relatively equal in Sugar (0 g)
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes (0)
Which food is richer in minerals?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Crab - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171966/nutrients
  2. Crayfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174207/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.