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Flatfish vs. Shark — In-Depth Nutrition Comparison

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A recap on differences between flatfish and shark

  • Flatfish is higher in phosphorus, yet shark is higher in vitamin B6, iron, vitamin B3, vitamin B5, and vitamin B2.
  • Flatfish covers your daily phosphorus needs 16% more than shark.
  • Flatfish contains 3 times more sodium than shark. While flatfish contains 363mg of sodium, shark contains only 122mg.

Food varieties used in this article are Fish, flatfish (flounder and sole species), cooked, dry heat and Fish, shark, mixed species, cooked, batter-dipped and fried.

Infographic

Flatfish vs Shark 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%
Shark
7
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 31% 15% 14% 42% 14% 13% 83% 16% 6.5% 185%
Contains more PotassiumPotassium +27.1%
Contains more PhosphorusPhosphorus +59.3%
Contains more MagnesiumMagnesium +95.5%
Contains more CalciumCalcium +100%
Contains more IronIron +382.6%
Contains more CopperCopper +82.6%
Contains more ZincZinc +23.1%
Contains less SodiumSodium -66.4%
Contains more ManganeseManganese +194.1%
~equal in Selenium ~34µg

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% 4% 15% 53% 6.5% 5.8% 24% 14% 27% 164% 0.25% 4.5% 44%
Shark
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% 0% 0% 18% 22% 52% 37% 69% 151% 0% 11% 0%
Contains more Vitamin EVitamin E +∞%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin KVitamin K +∞%
Contains more CholineCholine +∞%
Contains more Vitamin AVitamin A +350%
Contains more Vitamin B1Vitamin B1 +176.9%
Contains more Vitamin B2Vitamin B2 +288%
Contains more Vitamin B3Vitamin B3 +117.8%
Contains more Vitamin B5Vitamin B5 +173.1%
Contains more Vitamin B6Vitamin B6 +160.9%
Contains more FolateFolate +150%
~equal in Vitamin C ~0mg
~equal in Vitamin B12 ~1.21µg

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
Shark
3
19% 14% 6% 60%
Protein: 18.62 g
Fats: 13.82 g
Carbs: 6.39 g
Water: 60.09 g
Other: 1.08 g
Contains more WaterWater +35%
Contains more OtherOther +18.5%
Contains more ProteinProtein +22.2%
Contains more FatsFats +483.1%
Contains more CarbsCarbs +∞%

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
Shark
2
25% 46% 29%
Saturated fat: Sat. Fat 3.205 g
Monounsaturated fat: Mono. Fat 5.935 g
Polyunsaturated fat: Poly. Fat 3.701 g
Contains less Sat. FatSaturated fat -83.1%
Contains more Mono. FatMonounsaturated fat +803.3%
Contains more Poly. FatPolyunsaturated fat +706.3%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Flatfish Shark DV% diff.
Polyunsaturated fat 0.459g 3.701g 22%
Fats 2.37g 13.82g 18%
Vitamin D 3.5µg 18%
Vitamin D 139IU 17%
Phosphorus 309mg 194mg 16%
Choline 79.9mg 15%
Vitamin B6 0.115mg 0.3mg 14%
Monounsaturated fat 0.657g 5.935g 13%
Saturated fat 0.542g 3.205g 12%
Iron 0.23mg 1.11mg 11%
Sodium 363mg 122mg 10%
Vitamin B3 1.278mg 2.783mg 9%
Vitamin B5 0.227mg 0.62mg 8%
Protein 15.24g 18.62g 7%
Calories 86kcal 228kcal 7%
Vitamin B2 0.025mg 0.097mg 6%
Vitamin A 12µg 54µg 5%
Vitamin E 0.77mg 5%
Magnesium 22mg 43mg 5%
Vitamin B1 0.026mg 0.072mg 4%
Vitamin B12 1.31µg 1.21µg 4%
Selenium 32.6µg 34µg 3%
Calcium 25mg 50mg 3%
Folate 6µg 15µg 2%
Carbs 0g 6.39g 2%
Copper 0.023mg 0.042mg 2%
Cholesterol 56mg 59mg 1%
Potassium 197mg 155mg 1%
Manganese 0.017mg 0.05mg 1%
Zinc 0.39mg 0.48mg 1%
Net carbs 0g 6.39g N/A
Vitamin K 0.1µg 0%
Trans fat 0.014g N/A
Tryptophan 0.197mg 0.212mg 0%
Threonine 0.719mg 0.843mg 0%
Isoleucine 0.754mg 0.867mg 0%
Leucine 1.335mg 1.515mg 0%
Lysine 1.561mg 1.634mg 0%
Methionine 0.56mg 0.541mg 0%
Phenylalanine 0.624mg 0.75mg 0%
Valine 0.8mg 0.965mg 0%
Histidine 0.374mg 0.538mg 0%
Omega-3 - EPA 0.168g 0.258g N/A
Omega-3 - DHA 0.132g 0.431g N/A
Omega-3 - DPA 0.034g 0.089g N/A
Omega-6 - Eicosadienoic acid 0.006g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Flatfish Shark
Low Calories diet ok
Low Fats diet ok
Low Carbs 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
28%
Flatfish
29%
Shark
Minerals Daily Need Coverage Score
43%
Flatfish
42%
Shark

Comparison summary

Which food is lower in Sugar?
Shark
Shark is lower in Sugar (difference - 0g)
Which food contains less Sodium?
Shark
Shark contains less Sodium (difference - 241mg)
Which food is richer in minerals?
Shark
Shark is relatively richer in minerals
Which food is lower in Cholesterol?
Flatfish
Flatfish is lower in Cholesterol (difference - 3mg)
Which food is lower in Saturated fat?
Flatfish
Flatfish is lower in Saturated fat (difference - 2.663g)
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes (0)
Which food is cheaper?
?
The foods are relatively equal in price ($)
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. Flatfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174197/nutrients
  2. Shark - https://fdc.nal.usda.gov/fdc-app.html#/food-details/175143/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.