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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
5
:
Contains more Calcium +51.7%
Contains more Zinc +116.5%
Contains more Copper +18.8%
Contains more Selenium +16.9%
Contains more Iron +66%
Contains more Phosphorus +15.4%
Contains more Potassium +14.3%
Contains less Sodium -83.3%
Contains more Manganese +605.4%
Equal in Magnesium - 33
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 28% 19% 26% 101% 23% 74% 104% 272% 10% 234%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 18% 32% 24% 116% 27% 13% 48% 229% 69% 201%
Contains more Calcium +51.7%
Contains more Zinc +116.5%
Contains more Copper +18.8%
Contains more Selenium +16.9%
Contains more Iron +66%
Contains more Phosphorus +15.4%
Contains more Potassium +14.3%
Contains less Sodium -83.3%
Contains more Manganese +605.4%
Equal in Magnesium - 33

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
9
:
Contains more Vitamin E +22.7%
Contains more Vitamin C +266.7%
Contains more Vitamin B3 +20.5%
Contains more Vitamin B5 +71.9%
Contains more Vitamin B6 +105.3%
Contains more Folate +15.9%
Contains more Vitamin B12 +54.9%
Contains more Vitamin K +200%
Contains more Vitamin A +2400%
Contains more Vitamin B1 +117.4%
Equal in Vitamin B2 - 0.085
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 1% 37% 0% 11% 6% 22% 52% 60% 36% 39% 417% 1%
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 3% 30% 0% 3% 13% 20% 43% 35% 18% 33% 269% 1%
Contains more Vitamin E +22.7%
Contains more Vitamin C +266.7%
Contains more Vitamin B3 +20.5%
Contains more Vitamin B5 +71.9%
Contains more Vitamin B6 +105.3%
Contains more Folate +15.9%
Contains more Vitamin B12 +54.9%
Contains more Vitamin K +200%
Contains more Vitamin A +2400%
Contains more Vitamin B1 +117.4%
Equal in Vitamin B2 - 0.085

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Crab
2
:
Contains more Fats +62.2%
Contains more Other +57.4%
Equal in Protein - 16.77
Equal in Water - 79.37
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 Fats +62.2%
Contains more Other +57.4%
Equal in Protein - 16.77
Equal in Water - 79.37

Fat Type Comparison

Fat type breakdown side-by-side comparison
Crab
0
:
Contains more Monounsaturated Fat +89.1%
Contains more Polyunsaturated fat +42.2%
Equal in Saturated Fat - 0.181
34% 22% 44%
Saturated Fat: 0.201 g
Monounsaturated Fat: 0.129 g
Polyunsaturated fat: 0.258 g
23% 31% 46%
Saturated Fat: 0.181 g
Monounsaturated Fat: 0.244 g
Polyunsaturated fat: 0.367 g
Contains more Monounsaturated Fat +89.1%
Contains more Polyunsaturated fat +42.2%
Equal in Saturated Fat - 0.181

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
Protein 17.88g 16.77g Crab
Fats 0.74g 1.2g Crayfish
Calories 83kcal 82kcal Crab
Calcium 91mg 60mg Crab
Iron 0.5mg 0.83mg Crayfish
Magnesium 36mg 33mg Crab
Phosphorus 234mg 270mg Crayfish
Potassium 259mg 296mg Crayfish
Sodium 563mg 94mg Crayfish
Zinc 3.81mg 1.76mg Crab
Copper 0.814mg 0.685mg Crab
Manganese 0.074mg 0.522mg Crayfish
Selenium 42.9µg 36.7µg Crab
Vitamin A 2IU 50IU Crayfish
Vitamin A RAE 1µg 15µg Crayfish
Vitamin E 1.84mg 1.5mg Crab
Vitamin C 3.3mg 0.9mg 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
Folate 51µg 44µg Crab
Vitamin B12 3.33µg 2.15µg Crab
Vitamin K 0.3µg 0.1µg Crab
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
Cholesterol 97mg 133mg Crab
Trans Fat 0.014g Crayfish
Saturated Fat 0.201g 0.181g Crayfish
Omega-3 - DHA 0.067g 0.047g Crab
Omega-3 - EPA 0.101g 0.119g Crayfish
Omega-3 - DPA 0.009g 0g Crab
Monounsaturated Fat 0.129g 0.244g Crayfish
Polyunsaturated fat 0.258g 0.367g Crayfish
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 Fats diet ok
Low Carbs diet Equal
Low Calories diet ok
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.