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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.
Contains more Calcium +47.1%
Contains more Phosphorus +24.6%
Contains more Manganese +30.8%
Contains more Iron +56.5%
Contains more Magnesium +50%
Contains more Potassium +137.1%
Contains less Sodium -75.5%
Contains more Zinc +10.3%
Contains more Copper +78.3%
Contains more Selenium +133.7%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 8% 9% 16% 133% 18% 48% 11% 8% 3% 178%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 6% 14% 24% 107% 42% 12% 12% 14% 2% 416%
Contains more Calcium +47.1%
Contains more Phosphorus +24.6%
Contains more Manganese +30.8%
Contains more Iron +56.5%
Contains more Magnesium +50%
Contains more Potassium +137.1%
Contains less Sodium -75.5%
Contains more Zinc +10.3%
Contains more Copper +78.3%
Contains more Selenium +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.
:
Contains more Vitamin A +131.3%
Contains more Vitamin E +75%
Contains more Vitamin K +∞%
Contains more Vitamin D +31.4%
Contains more Vitamin B2 +804%
Contains more Vitamin B3 +126.7%
Contains more Vitamin B5 +78%
Contains more Vitamin B6 +109.6%
Contains more Folate +66.7%
Contains more Vitamin B12 +21.4%
Equal in Vitamin B1 - 0.027
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 3% 16% 105% 0% 7% 6% 24% 14% 27% 5% 164% 1%
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 1% 9% 138% 0% 7% 53% 55% 25% 56% 8% 199% 0%
Contains more Vitamin A +131.3%
Contains more Vitamin E +75%
Contains more Vitamin K +∞%
Contains more Vitamin D +31.4%
Contains more Vitamin B2 +804%
Contains more Vitamin B3 +126.7%
Contains more Vitamin B5 +78%
Contains more Vitamin B6 +109.6%
Contains more Folate +66.7%
Contains more Vitamin B12 +21.4%
Equal in Vitamin B1 - 0.027

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Contains more Fats +46.3%
Contains more Protein +45.9%
Contains more Other +15.6%
Equal in Water - 74.67
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 Fats +46.3%
Contains more Protein +45.9%
Contains more Other +15.6%
Equal in Water - 74.67

Fat Type Comparison

Fat type breakdown side-by-side comparison
Contains more Monounsaturated Fat +41%
Contains less Saturated Fat -22.5%
Equal in Polyunsaturated fat - 0.485
33% 40% 28%
Saturated Fat: 0.542 g
Monounsaturated Fat: 0.657 g
Polyunsaturated fat: 0.459 g
31% 34% 35%
Saturated Fat: 0.42 g
Monounsaturated Fat: 0.466 g
Polyunsaturated fat: 0.485 g
Contains more Monounsaturated Fat +41%
Contains less Saturated Fat -22.5%
Equal in Polyunsaturated fat - 0.485

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
Protein 15.24g 22.23g Rockfish
Fats 2.37g 1.62g Flatfish
Calories 86kcal 109kcal Rockfish
Calcium 25mg 17mg Flatfish
Iron 0.23mg 0.36mg Rockfish
Magnesium 22mg 33mg Rockfish
Phosphorus 309mg 248mg Flatfish
Potassium 197mg 467mg Rockfish
Sodium 363mg 89mg Rockfish
Zinc 0.39mg 0.43mg Rockfish
Copper 0.023mg 0.041mg Rockfish
Manganese 0.017mg 0.013mg Flatfish
Selenium 32.6µg 76.2µg Rockfish
Vitamin A 37IU 16IU Flatfish
Vitamin A RAE 12µg 5µg Flatfish
Vitamin E 0.77mg 0.44mg Flatfish
Vitamin D 139IU 183IU Rockfish
Vitamin D 3.5µg 4.6µg 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
Folate 6µg 10µg Rockfish
Vitamin B12 1.31µg 1.59µg Rockfish
Vitamin K 0.1µg 0µg Flatfish
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
Cholesterol 56mg 61mg Flatfish
Trans Fat 0.014g 0.025g Flatfish
Saturated Fat 0.542g 0.42g Rockfish
Omega-3 - DHA 0.132g 0.238g Rockfish
Omega-3 - EPA 0.168g 0.107g Flatfish
Omega-3 - DPA 0.034g 0.027g Flatfish
Monounsaturated Fat 0.657g 0.466g Flatfish
Polyunsaturated fat 0.459g 0.485g Rockfish
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 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
31%
Flatfish
46%
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.