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Crab vs. Tuna — In-Depth Nutrition Comparison

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Important differences between Crab and Tuna

  • Crab has more Copper, Vitamin B12, and Zinc, however, Tuna is richer in Vitamin B3, Selenium, Vitamin B6, Phosphorus, and Vitamin D.
  • Tuna's daily need coverage for Vitamin B3 is 121% more.
  • Crab contains 19 times more Copper than Tuna. Crab contains 0.814mg of Copper, while Tuna contains 0.043mg.
  • Tuna contains less Sodium.

The food varieties used in the comparison are Crustaceans, crab, blue, canned and Fish, tuna, yellowfin, fresh, cooked, dry heat.

Infographic

Crab vs Tuna infographic
Infographic link

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.
Crab
4
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 26% 27% 23% 19% 271% 104% 100% 73% 9.7% 234%
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 +2175%
Contains more CopperCopper +1793%
Contains more ZincZinc +746.7%
Contains more ManganeseManganese +469.2%
Contains more MagnesiumMagnesium +16.7%
Contains more PotassiumPotassium +103.5%
Contains more IronIron +84%
Contains more PhosphorusPhosphorus +42.3%
Contains less SodiumSodium -90.4%
Contains more SeleniumSelenium +152.2%

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.
Crab
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 11% 0.12% 37% 0% 5.8% 21% 52% 60% 36% 416% 0.75% 38% 44%
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 CVitamin C +∞%
Contains more Vitamin EVitamin E +534.5%
Contains more Vitamin B5Vitamin B5 +198.5%
Contains more Vitamin B12Vitamin B12 +41.7%
Contains more Vitamin KVitamin K +200%
Contains more FolateFolate +2450%
Contains more Vitamin AVitamin A +3150%
Contains more Vitamin DVitamin D +∞%
Contains more Vitamin B1Vitamin B1 +482.6%
Contains more Vitamin B2Vitamin B2 +47.3%
Contains more Vitamin B3Vitamin B3 +703.4%
Contains more Vitamin B6Vitamin B6 +565.4%
~equal in Choline ~77.6mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Crab
3
18% 80% 2%
Protein: 17.88 g
Fats: 0.74 g
Carbs: 0 g
Water: 79.69 g
Other: 1.69 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 +25.4%
Contains more WaterWater +15.5%
Contains more OtherOther +32%
Contains more ProteinProtein +63%
~equal in Carbs ~0g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Crab
2
34% 22% 44%
Saturated Fat: Sat. Fat 0.201 g
Monounsaturated Fat: Mono. Fat 0.129 g
Polyunsaturated fat: Poly. Fat 0.258 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 Poly. FatPolyunsaturated fat +47.4%
~equal in Saturated Fat ~0.205g
~equal in Monounsaturated Fat ~0.138g

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Crab Tuna Opinion
Calories 83kcal 130kcal Tuna
Protein 17.88g 29.15g Tuna
Fats 0.74g 0.59g Crab
Vitamin C 3.3mg 0mg Crab
Cholesterol 97mg 47mg Tuna
Vitamin D 0IU 82IU Tuna
Magnesium 36mg 42mg Tuna
Calcium 91mg 4mg Crab
Potassium 259mg 527mg Tuna
Iron 0.5mg 0.92mg Tuna
Copper 0.814mg 0.043mg Crab
Zinc 3.81mg 0.45mg Crab
Phosphorus 234mg 333mg Tuna
Sodium 563mg 54mg Tuna
Vitamin A 2IU 65IU Tuna
Vitamin A 1µg 22µg Tuna
Vitamin E 1.84mg 0.29mg Crab
Vitamin D 0µg 2µg Tuna
Manganese 0.074mg 0.013mg Crab
Selenium 42.9µg 108.2µg Tuna
Vitamin B1 0.023mg 0.134mg Tuna
Vitamin B2 0.093mg 0.137mg Tuna
Vitamin B3 2.747mg 22.07mg Tuna
Vitamin B5 0.997mg 0.334mg Crab
Vitamin B6 0.156mg 1.038mg Tuna
Vitamin B12 3.33µg 2.35µg Crab
Vitamin K 0.3µg 0.1µg Crab
Folate 51µg 2µg Crab
Trans Fat 0.014g 0.02g Crab
Choline 80.9mg 77.6mg Crab
Saturated Fat 0.201g 0.205g Crab
Monounsaturated Fat 0.129g 0.138g Tuna
Polyunsaturated fat 0.258g 0.175g Crab
Tryptophan 0.226mg 0.313mg Tuna
Threonine 0.727mg 1.224mg Tuna
Isoleucine 0.776mg 1.287mg Tuna
Leucine 1.307mg 2.27mg Tuna
Lysine 1.386mg 2.565mg Tuna
Methionine 0.452mg 0.827mg Tuna
Phenylalanine 0.708mg 1.091mg Tuna
Valine 0.806mg 1.438mg Tuna
Histidine 0.393mg 0.822mg Tuna
Omega-3 - EPA 0.101g 0.015g Crab
Omega-3 - DHA 0.067g 0.105g Tuna
Omega-3 - DPA 0.009g 0.005g Crab
Omega-6 - Eicosadienoic acid 0.005g 0.002g Crab

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Crab 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
56%
Crab
88%
Tuna
Minerals Daily Need Coverage Score
89%
Crab
88%
Tuna

Comparison summary

Which food is lower in Cholesterol?
Tuna
Tuna is lower in Cholesterol (difference - 50mg)
Which food contains less Sodium?
Tuna
Tuna contains less Sodium (difference - 509mg)
Which food is cheaper?
Tuna
Tuna is cheaper (difference - $12)
Which food is lower in Saturated Fat?
Crab
Crab is lower in Saturated Fat (difference - 0.004g)
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 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.
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. Crab - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171966/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.