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Rockfish vs. Tuna — In-Depth Nutrition Comparison

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Important differences between Rockfish and Tuna

  • Rockfish has more Vitamin D, and Vitamin B2, however, Tuna is richer in Vitamin B3, Vitamin B6, Selenium, Vitamin B12, Phosphorus, Vitamin B1, and Iron.
  • Tuna's daily need coverage for Vitamin B3 is 120% more.
  • Rockfish contains 2 times more Vitamin D than Tuna. Rockfish contains 183IU of Vitamin D, while Tuna contains 82IU.

The food varieties used in the comparison are Fish, rockfish, Pacific, mixed species, cooked, dry heat and Fish, tuna, yellowfin, fresh, cooked, dry heat.

Infographic

Rockfish vs Tuna 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 24% 5.1% 41% 14% 14% 12% 106% 12% 1.7% 416%
Tuna
6
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 30% 1.2% 47% 35% 14% 12% 143% 7% 1.7% 590%
Contains more CalciumCalcium +325%
Contains more MagnesiumMagnesium +27.3%
Contains more PotassiumPotassium +12.8%
Contains more IronIron +155.6%
Contains more PhosphorusPhosphorus +34.3%
Contains less SodiumSodium -39.3%
Contains more SeleniumSelenium +42%
~equal in Copper ~0.043mg
~equal in Zinc ~0.45mg
~equal in Manganese ~0.013mg

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% 0.96% 8.8% 138% 6.8% 52% 54% 24% 56% 199% 0% 7.5% 43%
Tuna
6
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% 3.9% 5.8% 60% 34% 32% 414% 20% 240% 294% 0.25% 1.5% 42%
Contains more Vitamin EVitamin E +51.7%
Contains more Vitamin DVitamin D +130%
Contains more Vitamin B2Vitamin B2 +65%
Contains more Vitamin B5Vitamin B5 +21%
Contains more FolateFolate +400%
Contains more Vitamin AVitamin A +306.3%
Contains more Vitamin B1Vitamin B1 +396.3%
Contains more Vitamin B3Vitamin B3 +661.8%
Contains more Vitamin B6Vitamin B6 +330.7%
Contains more Vitamin B12Vitamin B12 +47.8%
Contains more Vitamin KVitamin K +∞%
~equal in Vitamin C ~0mg
~equal in Choline ~77.6mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
22% 75%
Protein: 22.23 g
Fats: 1.62 g
Carbs: 0 g
Water: 74.67 g
Other: 1.48 g
Tuna
1
29% 69%
Protein: 29.15 g
Fats: 0.59 g
Carbs: 0 g
Water: 68.98 g
Other: 1.28 g
Contains more FatsFats +174.6%
Contains more OtherOther +15.6%
Contains more ProteinProtein +31.1%
~equal in Carbs ~0g
~equal in Water ~68.98g

Fat Type Comparison

Fat type breakdown side-by-side comparison
31% 34% 35%
Saturated Fat: Sat. Fat 0.42 g
Monounsaturated Fat: Mono. Fat 0.466 g
Polyunsaturated fat: Poly. Fat 0.485 g
Tuna
1
40% 27% 34%
Saturated Fat: Sat. Fat 0.205 g
Monounsaturated Fat: Mono. Fat 0.138 g
Polyunsaturated fat: Poly. Fat 0.175 g
Contains more Mono. FatMonounsaturated Fat +237.7%
Contains more Poly. FatPolyunsaturated fat +177.1%
Contains less Sat. FatSaturated Fat -51.2%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Rockfish Tuna Opinion
Calories 109kcal 130kcal Tuna
Protein 22.23g 29.15g Tuna
Fats 1.62g 0.59g Rockfish
Cholesterol 61mg 47mg Tuna
Vitamin D 183IU 82IU Rockfish
Magnesium 33mg 42mg Tuna
Calcium 17mg 4mg Rockfish
Potassium 467mg 527mg Tuna
Iron 0.36mg 0.92mg Tuna
Copper 0.041mg 0.043mg Tuna
Zinc 0.43mg 0.45mg Tuna
Phosphorus 248mg 333mg Tuna
Sodium 89mg 54mg Tuna
Vitamin A 16IU 65IU Tuna
Vitamin A 5µg 22µg Tuna
Vitamin E 0.44mg 0.29mg Rockfish
Vitamin D 4.6µg 2µg Rockfish
Manganese 0.013mg 0.013mg
Selenium 76.2µg 108.2µg Tuna
Vitamin B1 0.027mg 0.134mg Tuna
Vitamin B2 0.226mg 0.137mg Rockfish
Vitamin B3 2.897mg 22.07mg Tuna
Vitamin B5 0.404mg 0.334mg Rockfish
Vitamin B6 0.241mg 1.038mg Tuna
Vitamin B12 1.59µg 2.35µg Tuna
Vitamin K 0µg 0.1µg Tuna
Folate 10µg 2µg Rockfish
Trans Fat 0.025g 0.02g Tuna
Choline 78.7mg 77.6mg Rockfish
Saturated Fat 0.42g 0.205g Tuna
Monounsaturated Fat 0.466g 0.138g Rockfish
Polyunsaturated fat 0.485g 0.175g Rockfish
Tryptophan 0.296mg 0.313mg Tuna
Threonine 1.014mg 1.224mg Tuna
Isoleucine 1.06mg 1.287mg Tuna
Leucine 1.835mg 2.27mg Tuna
Lysine 2.188mg 2.565mg Tuna
Methionine 0.707mg 0.827mg Tuna
Phenylalanine 0.935mg 1.091mg Tuna
Valine 1.106mg 1.438mg Tuna
Histidine 0.502mg 0.822mg Tuna
Omega-3 - EPA 0.107g 0.015g Rockfish
Omega-3 - DHA 0.238g 0.105g Rockfish
Omega-3 - DPA 0.027g 0.005g Rockfish
Omega-6 - Eicosadienoic acid 0.005g 0.002g Rockfish

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Rockfish Tuna
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
45%
Rockfish
88%
Tuna
Minerals Daily Need Coverage Score
64%
Rockfish
88%
Tuna

Comparison summary

Which food is lower in Cholesterol?
Tuna
Tuna is lower in Cholesterol (difference - 14mg)
Which food contains less Sodium?
Tuna
Tuna contains less Sodium (difference - 35mg)
Which food is lower in Saturated Fat?
Tuna
Tuna is lower in Saturated Fat (difference - 0.215g)
Which food is richer in minerals?
Tuna
Tuna is relatively richer in minerals
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 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. Rockfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/175131/nutrients
  2. Tuna - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172006/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.