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Tuna vs. Crab — In-Depth Nutrition Comparison

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Important differences between Tuna and Crab

  • Tuna has more Vitamin B3, Selenium, Vitamin B6, Phosphorus, and Vitamin D, however, Crab is richer in Copper, Vitamin B12, and Zinc.
  • Tuna's daily need coverage for Vitamin B3 is 121% more.
  • Tuna contains less Cholesterol.

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

Infographic

Tuna vs Crab 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.
Tuna
6
:
4
Crab
Contains more Iron +84%
Contains more Magnesium +16.7%
Contains more Phosphorus +42.3%
Contains more Potassium +103.5%
Contains less Sodium -90.4%
Contains more Selenium +152.2%
Contains more Calcium +2175%
Contains more Zinc +746.7%
Contains more Copper +1793%
Contains more Manganese +469.2%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 2% 35% 30% 143% 47% 8% 13% 15% 2% 591%
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 28% 19% 26% 101% 23% 74% 104% 272% 10% 234%
Contains more Iron +84%
Contains more Magnesium +16.7%
Contains more Phosphorus +42.3%
Contains more Potassium +103.5%
Contains less Sodium -90.4%
Contains more Selenium +152.2%
Contains more Calcium +2175%
Contains more Zinc +746.7%
Contains more Copper +1793%
Contains more Manganese +469.2%

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.
Tuna
6
:
6
Crab
Contains more Vitamin A +3150%
Contains more Vitamin D +∞%
Contains more Vitamin B1 +482.6%
Contains more Vitamin B2 +47.3%
Contains more Vitamin B3 +703.4%
Contains more Vitamin B6 +565.4%
Contains more Vitamin E +534.5%
Contains more Vitamin C +∞%
Contains more Vitamin B5 +198.5%
Contains more Folate +2450%
Contains more Vitamin B12 +41.7%
Contains more Vitamin K +200%
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 4% 6% 60% 0% 34% 32% 414% 21% 240% 2% 294% 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% 37% 0% 11% 6% 22% 52% 60% 36% 39% 417% 1%
Contains more Vitamin A +3150%
Contains more Vitamin D +∞%
Contains more Vitamin B1 +482.6%
Contains more Vitamin B2 +47.3%
Contains more Vitamin B3 +703.4%
Contains more Vitamin B6 +565.4%
Contains more Vitamin E +534.5%
Contains more Vitamin C +∞%
Contains more Vitamin B5 +198.5%
Contains more Folate +2450%
Contains more Vitamin B12 +41.7%
Contains more Vitamin K +200%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Tuna
1
:
3
Crab
Contains more Protein +63%
Contains more Fats +25.4%
Contains more Water +15.5%
Contains more Other +32%
29% 69%
Protein: 29.15 g
Fats: 0.59 g
Carbs: 0 g
Water: 68.98 g
Other: 1.28 g
18% 80% 2%
Protein: 17.88 g
Fats: 0.74 g
Carbs: 0 g
Water: 79.69 g
Other: 1.69 g
Contains more Protein +63%
Contains more Fats +25.4%
Contains more Water +15.5%
Contains more Other +32%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Tuna
1
:
2
Crab
Contains more Polyunsaturated fat +47.4%
Equal in Saturated Fat - 0.201
Equal in Monounsaturated Fat - 0.129
40% 27% 34%
Saturated Fat: 0.205 g
Monounsaturated Fat: 0.138 g
Polyunsaturated fat: 0.175 g
34% 22% 44%
Saturated Fat: 0.201 g
Monounsaturated Fat: 0.129 g
Polyunsaturated fat: 0.258 g
Contains more Polyunsaturated fat +47.4%
Equal in Saturated Fat - 0.201
Equal in Monounsaturated Fat - 0.129

Comparison summary table

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

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Tuna Crab
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
92%
Tuna
56%
Crab
Minerals Daily Need Coverage Score
88%
Tuna
89%
Crab

Comparison summary

Which food contains less Sodium?
Tuna
Tuna contains less Sodium (difference - 509mg)
Which food is lower in Cholesterol?
Tuna
Tuna is lower in Cholesterol (difference - 50mg)
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. Tuna - https://fdc.nal.usda.gov/fdc-app.html#/food-details/172006/nutrients
  2. Crab - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171966/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.