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Flatfish vs. Crab — In-Depth Nutrition Comparison

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Significant differences between Flatfish and Crab

  • Flatfish has more Vitamin D, and Phosphorus, however, Crab is richer in Copper, Vitamin B12, Zinc, Selenium, Vitamin B5, Folate, and Vitamin B3.
  • Crab covers your daily Copper needs 88% more than Flatfish.
  • Flatfish contains less Cholesterol.

Specific food types used in this comparison are Fish, flatfish (flounder and sole species), cooked, dry heat and Crustaceans, crab, blue, canned.

Infographic

Flatfish 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 16% 7.5% 17% 8.6% 7.7% 11% 132% 47% 2.2% 178%
Crab
8
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 +32.1%
Contains less SodiumSodium -35.5%
Contains more MagnesiumMagnesium +63.6%
Contains more CalciumCalcium +264%
Contains more PotassiumPotassium +31.5%
Contains more IronIron +117.4%
Contains more CopperCopper +3439.1%
Contains more ZincZinc +876.9%
Contains more ManganeseManganese +335.3%
Contains more SeleniumSelenium +31.6%

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.
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% 2.2% 15% 105% 6.5% 5.8% 24% 14% 27% 164% 0.25% 4.5% 44%
Crab
9
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 +1750%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B1Vitamin B1 +13%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin EVitamin E +139%
Contains more Vitamin B2Vitamin B2 +272%
Contains more Vitamin B3Vitamin B3 +114.9%
Contains more Vitamin B5Vitamin B5 +339.2%
Contains more Vitamin B6Vitamin B6 +35.7%
Contains more Vitamin B12Vitamin B12 +154.2%
Contains more Vitamin KVitamin K +200%
Contains more FolateFolate +750%
~equal in Choline ~80.9mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
15% 2% 81%
Protein: 15.24 g
Fats: 2.37 g
Carbs: 0 g
Water: 81.11 g
Other: 1.28 g
Crab
2
18% 80% 2%
Protein: 17.88 g
Fats: 0.74 g
Carbs: 0 g
Water: 79.69 g
Other: 1.69 g
Contains more FatsFats +220.3%
Contains more ProteinProtein +17.3%
Contains more OtherOther +32%
~equal in Carbs ~0g
~equal in Water ~79.69g

Fat Type Comparison

Fat type breakdown side-by-side comparison
33% 40% 28%
Saturated Fat: Sat. Fat 0.542 g
Monounsaturated Fat: Mono. Fat 0.657 g
Polyunsaturated fat: Poly. Fat 0.459 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 +409.3%
Contains more Poly. FatPolyunsaturated fat +77.9%
Contains less Sat. FatSaturated Fat -62.9%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Flatfish Crab Opinion
Calories 86kcal 83kcal Flatfish
Protein 15.24g 17.88g Crab
Fats 2.37g 0.74g Flatfish
Vitamin C 0mg 3.3mg Crab
Cholesterol 56mg 97mg Flatfish
Vitamin D 139IU 0IU Flatfish
Magnesium 22mg 36mg Crab
Calcium 25mg 91mg Crab
Potassium 197mg 259mg Crab
Iron 0.23mg 0.5mg Crab
Copper 0.023mg 0.814mg Crab
Zinc 0.39mg 3.81mg Crab
Phosphorus 309mg 234mg Flatfish
Sodium 363mg 563mg Flatfish
Vitamin A 37IU 2IU Flatfish
Vitamin A 12µg 1µg Flatfish
Vitamin E 0.77mg 1.84mg Crab
Vitamin D 3.5µg 0µg Flatfish
Manganese 0.017mg 0.074mg Crab
Selenium 32.6µg 42.9µg Crab
Vitamin B1 0.026mg 0.023mg Flatfish
Vitamin B2 0.025mg 0.093mg Crab
Vitamin B3 1.278mg 2.747mg Crab
Vitamin B5 0.227mg 0.997mg Crab
Vitamin B6 0.115mg 0.156mg Crab
Vitamin B12 1.31µg 3.33µg Crab
Vitamin K 0.1µg 0.3µg Crab
Folate 6µg 51µg Crab
Trans Fat 0.014g 0.014g
Choline 79.9mg 80.9mg Crab
Saturated Fat 0.542g 0.201g Crab
Monounsaturated Fat 0.657g 0.129g Flatfish
Polyunsaturated fat 0.459g 0.258g Flatfish
Tryptophan 0.197mg 0.226mg Crab
Threonine 0.719mg 0.727mg Crab
Isoleucine 0.754mg 0.776mg Crab
Leucine 1.335mg 1.307mg Flatfish
Lysine 1.561mg 1.386mg Flatfish
Methionine 0.56mg 0.452mg Flatfish
Phenylalanine 0.624mg 0.708mg Crab
Valine 0.8mg 0.806mg Crab
Histidine 0.374mg 0.393mg Crab
Omega-3 - EPA 0.168g 0.101g Flatfish
Omega-3 - DHA 0.132g 0.067g Flatfish
Omega-3 - DPA 0.034g 0.009g Flatfish
Omega-6 - Eicosadienoic acid 0.006g 0.005g Flatfish

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Flatfish Crab
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
32%
Flatfish
56%
Crab
Minerals Daily Need Coverage Score
43%
Flatfish
89%
Crab

Comparison summary

Which food is lower in Cholesterol?
Flatfish
Flatfish is lower in Cholesterol (difference - 41mg)
Which food contains less Sodium?
Flatfish
Flatfish contains less Sodium (difference - 200mg)
Which food is cheaper?
Flatfish
Flatfish is cheaper (difference - $12)
Which food is lower in Saturated Fat?
Crab
Crab is lower in Saturated Fat (difference - 0.341g)
Which food is richer in minerals?
Crab
Crab is relatively richer in minerals
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)

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. Flatfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174197/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.