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Catfish vs. Flatfish — In-Depth Nutrition Comparison

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The main differences between catfish and flatfish

  • Catfish are richer in vitamin B12, vitamin B5, vitamin B3, and vitamin B2, yet flatfish is richer in selenium, vitamin D, and phosphorus.
  • Daily need coverage for vitamin B12 for catfish is 61% higher.
  • Catfish contain 4 times more vitamin B2 than flatfish. Catfish contain 0.1mg of vitamin B2, while flatfish contains 0.025mg.
  • Flatfish contains less saturated fat.

Food types used in this article are Fish, catfish, channel, farmed, cooked, dry heat and Fish, flatfish (flounder and sole species), cooked, dry heat.

Infographic

Catfish vs Flatfish 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% 2.7% 32% 11% 13% 16% 106% 16% 2.3% 54%
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%
Contains more PotassiumPotassium +85.8%
Contains more IronIron +21.7%
Contains more CopperCopper +69.6%
Contains more ZincZinc +48.7%
Contains less SodiumSodium -67.2%
Contains more CalciumCalcium +177.8%
Contains more PhosphorusPhosphorus +25.1%
Contains more SeleniumSelenium +229.3%
~equal in Magnesium ~22mg
~equal in Manganese ~0.017mg

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% 0.33% 19% 4.5% 6% 23% 48% 49% 41% 348% 6.3% 9% 43%
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%
Contains more Vitamin EVitamin E +26%
Contains more Vitamin B2Vitamin B2 +300%
Contains more Vitamin B3Vitamin B3 +99.4%
Contains more Vitamin B5Vitamin B5 +257.3%
Contains more Vitamin B6Vitamin B6 +53.9%
Contains more Vitamin B12Vitamin B12 +112.2%
Contains more Vitamin KVitamin K +2400%
Contains more FolateFolate +100%
Contains more Vitamin AVitamin A +1100%
Contains more Vitamin DVitamin D +1066.7%
~equal in Vitamin C ~0mg
~equal in Vitamin B1 ~0.026mg
~equal in Choline ~79.9mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
18% 7% 75%
Protein: 18.44 g
Fats: 7.19 g
Carbs: 0 g
Water: 74.65 g
Other: 0 g
15% 2% 81%
Protein: 15.24 g
Fats: 2.37 g
Carbs: 0 g
Water: 81.11 g
Other: 1.28 g
Contains more ProteinProtein +21%
Contains more FatsFats +203.4%
~equal in Carbs ~0g
~equal in Water ~81.11g
~equal in Other ~1.28g

Fat Type Comparison

Fat type breakdown side-by-side comparison
26% 51% 22%
Saturated fat: Sat. Fat 1.586 g
Monounsaturated fat: Mono. Fat 3.115 g
Polyunsaturated fat: Poly. Fat 1.354 g
33% 40% 28%
Saturated fat: Sat. Fat 0.542 g
Monounsaturated fat: Mono. Fat 0.657 g
Polyunsaturated fat: Poly. Fat 0.459 g
Contains more Mono. FatMonounsaturated fat +374.1%
Contains more Poly. FatPolyunsaturated fat +195%
Contains less Sat. FatSaturated fat -65.8%

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Catfish Flatfish
Lower in Cholesterol ok
Lower in Saturated fat ok
Lower in Sodium ok
Rich in vitamins 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 Catfish Flatfish DV% diff.
Vitamin B12 2.78µg 1.31µg 61%
Selenium 9.9µg 32.6µg 41%
Vitamin D 10IU 139IU 16%
Vitamin D 0.3µg 3.5µg 16%
Vitamin B5 0.811mg 0.227mg 12%
Sodium 119mg 363mg 11%
Phosphorus 247mg 309mg 9%
Vitamin B3 2.548mg 1.278mg 8%
Fats 7.19g 2.37g 7%
Polyunsaturated fat 1.354g 0.459g 6%
Monounsaturated fat 3.115g 0.657g 6%
Protein 18.44g 15.24g 6%
Vitamin B2 0.1mg 0.025mg 6%
Vitamin B6 0.177mg 0.115mg 5%
Saturated fat 1.586g 0.542g 5%
Potassium 366mg 197mg 5%
Calories 144kcal 86kcal 3%
Cholesterol 66mg 56mg 3%
Calcium 9mg 25mg 2%
Zinc 0.58mg 0.39mg 2%
Copper 0.039mg 0.023mg 2%
Vitamin K 2.5µg 0.1µg 2%
Folate 12µg 6µg 2%
Vitamin E 0.97mg 0.77mg 1%
Vitamin A 1µg 12µg 1%
Iron 0.28mg 0.23mg 1%
Magnesium 23mg 22mg 0%
Manganese 0.018mg 0.017mg 0%
Vitamin B1 0.024mg 0.026mg 0%
Trans fat 0.063g 0.014g N/A
Choline 78.7mg 79.9mg 0%
Tryptophan 0.22mg 0.197mg 0%
Threonine 0.833mg 0.719mg 0%
Isoleucine 0.82mg 0.754mg 0%
Leucine 1.396mg 1.335mg 0%
Lysine 1.677mg 1.561mg 0%
Methionine 0.539mg 0.56mg 0%
Phenylalanine 0.735mg 0.624mg 0%
Valine 0.894mg 0.8mg 0%
Histidine 0.404mg 0.374mg 0%
Omega-3 - EPA 0.02g 0.168g N/A
Omega-3 - DHA 0.069g 0.132g N/A
Omega-3 - DPA 0.018g 0.034g N/A
Omega-6 - Eicosadienoic acid 0.049g 0.006g N/A

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Catfish Flatfish
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
46%
Catfish
28%
Flatfish
Minerals Daily Need Coverage Score
27%
Catfish
43%
Flatfish

Comparison summary

Which food is lower in Cholesterol?
Flatfish
Flatfish is lower in Cholesterol (difference - 10mg)
Which food is lower in Saturated fat?
Flatfish
Flatfish is lower in Saturated fat (difference - 1.044g)
Which food contains less Sodium?
Catfish
Catfish contains less Sodium (difference - 244mg)
Which food is richer in vitamins?
Catfish
Catfish 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)
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. Catfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/175166/nutrients
  2. Flatfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174197/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.