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Shrimp vs. Crab — In-Depth Nutrition Comparison

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Important differences between Shrimp and Crab

  • Shrimp has more Selenium, Phosphorus, Choline, and Vitamin A RAE, however, Crab is richer in Vitamin B12, Copper, Zinc, and Vitamin B5.
  • Crab's daily need coverage for Vitamin B12 is 70% more.
  • Shrimp contains 90 times more Vitamin A RAE than Crab. Shrimp contains 90µg of Vitamin A RAE, while Crab contains 1µg.
  • Crab contains less Cholesterol.

The food varieties used in the comparison are Crustaceans, shrimp, mixed species, cooked, moist heat (may have been previously frozen) and Crustaceans, crab, blue, canned.

Infographic

Shrimp vs Crab 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.
Shrimp
2
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 26% 27% 15% 12% 86% 44% 131% 124% 6.4% 270%
Crab
6
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%
Contains more PhosphorusPhosphorus +30.8%
Contains more SeleniumSelenium +15.4%
Contains more PotassiumPotassium +52.4%
Contains more IronIron +56.3%
Contains more CopperCopper +215.5%
Contains more ZincZinc +133.7%
Contains less SodiumSodium -40.5%
Contains more ManganeseManganese +51%
~equal in Magnesium ~36mg
~equal in Calcium ~91mg

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.
Shrimp
7
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 0% 18% 44% 3% 8% 5.5% 50% 31% 56% 208% 1% 18% 74%
Crab
5
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%
Contains more Vitamin AVitamin A +14950%
Contains more Vitamin E Vitamin E +19.6%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B1Vitamin B1 +39.1%
Contains more Vitamin B6Vitamin B6 +55.1%
Contains more Vitamin KVitamin K +33.3%
Contains more CholineCholine +67.4%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin B2Vitamin B2 +287.5%
Contains more Vitamin B5Vitamin B5 +92.1%
Contains more Vitamin B12Vitamin B12 +100.6%
Contains more FolateFolate +112.5%
~equal in Vitamin B3 ~2.747mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Shrimp
4
23% 2% 72% 2%
Protein: 22.78 g
Fats: 1.7 g
Carbs: 1.52 g
Water: 71.56 g
Other: 2.44 g
Crab
1
18% 80% 2%
Protein: 17.88 g
Fats: 0.74 g
Carbs: 0 g
Water: 79.69 g
Other: 1.69 g
Contains more ProteinProtein +27.4%
Contains more FatsFats +129.7%
Contains more CarbsCarbs +∞%
Contains more OtherOther +44.4%
Contains more WaterWater +11.4%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Shrimp
2
35% 25% 40%
Saturated Fat: Sat. Fat 0.521 g
Monounsaturated Fat: Mono. Fat 0.361 g
Polyunsaturated fat: Poly. Fat 0.59 g
Crab
1
34% 22% 44%
Saturated Fat: Sat. Fat 0.201 g
Monounsaturated Fat: Mono. Fat 0.129 g
Polyunsaturated fat: Poly. Fat 0.258 g
Contains more Mono. FatMonounsaturated Fat +179.8%
Contains more Poly. FatPolyunsaturated fat +128.7%
Contains less Sat. FatSaturated Fat -61.4%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Shrimp Crab Opinion
Calories 119kcal 83kcal Shrimp
Protein 22.78g 17.88g Shrimp
Fats 1.7g 0.74g Shrimp
Vitamin C 0mg 3.3mg Crab
Net carbs 1.52g 0g Shrimp
Carbs 1.52g 0g Shrimp
Cholesterol 211mg 97mg Crab
Vitamin D 4IU 0IU Shrimp
Magnesium 37mg 36mg Shrimp
Calcium 91mg 91mg
Potassium 170mg 259mg Crab
Iron 0.32mg 0.5mg Crab
Copper 0.258mg 0.814mg Crab
Zinc 1.63mg 3.81mg Crab
Phosphorus 306mg 234mg Shrimp
Sodium 947mg 563mg Crab
Vitamin A 301IU 2IU Shrimp
Vitamin A RAE 90µg 1µg Shrimp
Vitamin E 2.2mg 1.84mg Shrimp
Vitamin D 0.1µg 0µg Shrimp
Manganese 0.049mg 0.074mg Crab
Selenium 49.5µg 42.9µg Shrimp
Vitamin B1 0.032mg 0.023mg Shrimp
Vitamin B2 0.024mg 0.093mg Crab
Vitamin B3 2.678mg 2.747mg Crab
Vitamin B5 0.519mg 0.997mg Crab
Vitamin B6 0.242mg 0.156mg Shrimp
Vitamin B12 1.66µg 3.33µg Crab
Vitamin K 0.4µg 0.3µg Shrimp
Folate 24µg 51µg Crab
Trans Fat 0.035g 0.014g Crab
Choline 135.4mg 80.9mg Shrimp
Saturated Fat 0.521g 0.201g Crab
Monounsaturated Fat 0.361g 0.129g Shrimp
Polyunsaturated fat 0.59g 0.258g Shrimp
Tryptophan 0.26mg 0.226mg Shrimp
Threonine 0.904mg 0.727mg Shrimp
Isoleucine 1.05mg 0.776mg Shrimp
Leucine 1.95mg 1.307mg Shrimp
Lysine 2.172mg 1.386mg Shrimp
Methionine 0.665mg 0.452mg Shrimp
Phenylalanine 0.992mg 0.708mg Shrimp
Valine 1.067mg 0.806mg Shrimp
Histidine 0.501mg 0.393mg Shrimp
Omega-3 - EPA 0.135g 0.101g Shrimp
Omega-3 - DHA 0.141g 0.067g Shrimp
Omega-3 - DPA 0.012g 0.009g Shrimp
Omega-6 - Eicosadienoic acid 0.012g 0.005g Shrimp

Which food is preferable for your diet?

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

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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
40%
Shrimp
56%
Crab
Minerals Daily Need Coverage Score
74%
Shrimp
89%
Crab

Comparison summary

Which food is cheaper?
Shrimp
Shrimp is cheaper (difference - $5)
Which food is lower in Cholesterol?
Crab
Crab is lower in Cholesterol (difference - 114mg)
Which food contains less Sodium?
Crab
Crab contains less Sodium (difference - 384mg)
Which food is lower in Saturated Fat?
Crab
Crab is lower in Saturated Fat (difference - 0.32g)
Which food is lower in glycemic index?
Crab
Crab is lower in glycemic index (difference - 50)
Which food contains less Sugar?
?
The foods are relatively equal in Sugar (0 g)
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.
Which food is richer in vitamins?
?
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. Shrimp - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171971/nutrients
  2. Crab - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171966/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.