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Flatfish vs. Rockfish — In-Depth Nutrition Comparison

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Significant differences between Flatfish and Rockfish

  • Flatfish has more Phosphorus, however, Rockfish is richer in Selenium, Vitamin B2, Vitamin B12, Vitamin B3, Vitamin B6, Potassium, and Vitamin D.
  • Rockfish covers your daily Selenium needs 79% more than Flatfish.
  • Rockfish has 4 times less Sodium than Flatfish. Flatfish has 363mg of Sodium, while Rockfish has 89mg.

Specific food types used in this comparison are Fish, flatfish (flounder and sole species), cooked, dry heat and Fish, rockfish, Pacific, mixed species, cooked, dry heat.

Infographic

Flatfish vs Rockfish 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%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 24% 5.1% 41% 14% 14% 12% 106% 12% 1.7% 416%
Contains more CalciumCalcium +47.1%
Contains more PhosphorusPhosphorus +24.6%
Contains more ManganeseManganese +30.8%
Contains more MagnesiumMagnesium +50%
Contains more PotassiumPotassium +137.1%
Contains more IronIron +56.5%
Contains more CopperCopper +78.3%
Contains more ZincZinc +10.3%
Contains less SodiumSodium -75.5%
Contains more SeleniumSelenium +133.7%

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%
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% 0.96% 8.8% 138% 6.8% 52% 54% 24% 56% 199% 0% 7.5% 43%
Contains more Vitamin AVitamin A +131.3%
Contains more Vitamin EVitamin E +75%
Contains more Vitamin KVitamin K +∞%
Contains more Vitamin DVitamin D +31.4%
Contains more Vitamin B2Vitamin B2 +804%
Contains more Vitamin B3Vitamin B3 +126.7%
Contains more Vitamin B5Vitamin B5 +78%
Contains more Vitamin B6Vitamin B6 +109.6%
Contains more Vitamin B12Vitamin B12 +21.4%
Contains more FolateFolate +66.7%
~equal in Vitamin C ~0mg
~equal in Vitamin B1 ~0.027mg
~equal in Choline ~78.7mg

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
22% 75%
Protein: 22.23 g
Fats: 1.62 g
Carbs: 0 g
Water: 74.67 g
Other: 1.48 g
Contains more FatsFats +46.3%
Contains more ProteinProtein +45.9%
Contains more OtherOther +15.6%
~equal in Carbs ~0g
~equal in Water ~74.67g

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
31% 34% 35%
Saturated Fat: Sat. Fat 0.42 g
Monounsaturated Fat: Mono. Fat 0.466 g
Polyunsaturated fat: Poly. Fat 0.485 g
Contains more Mono. FatMonounsaturated Fat +41%
Contains less Sat. FatSaturated Fat -22.5%
~equal in Polyunsaturated fat ~0.485g

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Flatfish Rockfish Opinion
Calories 86kcal 109kcal Rockfish
Protein 15.24g 22.23g Rockfish
Fats 2.37g 1.62g Flatfish
Cholesterol 56mg 61mg Flatfish
Vitamin D 139IU 183IU Rockfish
Magnesium 22mg 33mg Rockfish
Calcium 25mg 17mg Flatfish
Potassium 197mg 467mg Rockfish
Iron 0.23mg 0.36mg Rockfish
Copper 0.023mg 0.041mg Rockfish
Zinc 0.39mg 0.43mg Rockfish
Phosphorus 309mg 248mg Flatfish
Sodium 363mg 89mg Rockfish
Vitamin A 37IU 16IU Flatfish
Vitamin A 12µg 5µg Flatfish
Vitamin E 0.77mg 0.44mg Flatfish
Vitamin D 3.5µg 4.6µg Rockfish
Manganese 0.017mg 0.013mg Flatfish
Selenium 32.6µg 76.2µg Rockfish
Vitamin B1 0.026mg 0.027mg Rockfish
Vitamin B2 0.025mg 0.226mg Rockfish
Vitamin B3 1.278mg 2.897mg Rockfish
Vitamin B5 0.227mg 0.404mg Rockfish
Vitamin B6 0.115mg 0.241mg Rockfish
Vitamin B12 1.31µg 1.59µg Rockfish
Vitamin K 0.1µg 0µg Flatfish
Folate 6µg 10µg Rockfish
Trans Fat 0.014g 0.025g Flatfish
Choline 79.9mg 78.7mg Flatfish
Saturated Fat 0.542g 0.42g Rockfish
Monounsaturated Fat 0.657g 0.466g Flatfish
Polyunsaturated fat 0.459g 0.485g Rockfish
Tryptophan 0.197mg 0.296mg Rockfish
Threonine 0.719mg 1.014mg Rockfish
Isoleucine 0.754mg 1.06mg Rockfish
Leucine 1.335mg 1.835mg Rockfish
Lysine 1.561mg 2.188mg Rockfish
Methionine 0.56mg 0.707mg Rockfish
Phenylalanine 0.624mg 0.935mg Rockfish
Valine 0.8mg 1.106mg Rockfish
Histidine 0.374mg 0.502mg Rockfish
Omega-3 - EPA 0.168g 0.107g Flatfish
Omega-3 - DHA 0.132g 0.238g Rockfish
Omega-3 - DPA 0.034g 0.027g 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 Rockfish
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
45%
Rockfish
Minerals Daily Need Coverage Score
43%
Flatfish
64%
Rockfish

Comparison summary

Which food contains less Sodium?
Rockfish
Rockfish contains less Sodium (difference - 274mg)
Which food is lower in Saturated Fat?
Rockfish
Rockfish is lower in Saturated Fat (difference - 0.122g)
Which food is richer in vitamins?
Rockfish
Rockfish is relatively richer in vitamins
Which food is lower in Cholesterol?
Flatfish
Flatfish is lower in Cholesterol (difference - 5mg)
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 cheaper?
?
The foods are relatively equal in price ($)
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. Flatfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174197/nutrients
  2. Rockfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/175131/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.