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Oysters vs. Crayfish — In-Depth Nutrition Comparison

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A recap on differences between Oysters and Crayfish

  • Oysters is higher in Zinc, Vitamin B12, Copper, Iron, Choline, Vitamin B2, and Calcium, yet Crayfish is higher in Phosphorus, and Folate.
  • Oysters covers your daily Zinc needs 699% more than Crayfish.
  • Oysters contains 11 times more Iron than Crayfish. While Oysters contains 9.21mg of Iron, Crayfish contains only 0.83mg.
  • The amount of Cholesterol in Oysters is lower.

Food varieties used in this article are Mollusks, oyster, eastern, wild, cooked, moist heat and Crustaceans, crayfish, mixed species, wild, cooked, moist heat.

Infographic

Oysters vs Crayfish 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 25% 35% 12% 345% 1902% 2144% 83% 22% 77% 215%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 24% 18% 26% 31% 228% 48% 116% 12% 68% 200%
Contains more CalciumCalcium +93.3%
Contains more IronIron +1009.6%
Contains more CopperCopper +733.1%
Contains more ZincZinc +4365.9%
Contains more ManganeseManganese +13.2%
Contains more PotassiumPotassium +112.9%
Contains more PhosphorusPhosphorus +39.2%
Contains less SodiumSodium -43.4%
~equal in Magnesium ~33mg
~equal in Selenium ~36.7µg

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% 5.3% 34% 0% 9% 42% 35% 27% 14% 2188% 5% 11% 71%
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 3% 3% 30% 0% 13% 20% 43% 35% 18% 269% 0.25% 33% 44%
Contains more Vitamin AVitamin A +76%
Contains more Vitamin EVitamin E +13.3%
Contains more Vitamin B2Vitamin B2 +111.8%
Contains more Vitamin B12Vitamin B12 +714%
Contains more Vitamin KVitamin K +1900%
Contains more CholineCholine +60.7%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin B1Vitamin B1 +38.9%
Contains more Vitamin B3Vitamin B3 +23.2%
Contains more Vitamin B5Vitamin B5 +29.8%
Contains more Vitamin B6Vitamin B6 +24.6%
Contains more FolateFolate +214.3%
~equal in Vitamin D ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
11% 3% 5% 78%
Protein: 11.42 g
Fats: 3.42 g
Carbs: 5.45 g
Water: 78.19 g
Other: 1.52 g
17% 79% 3%
Protein: 16.77 g
Fats: 1.2 g
Carbs: 0 g
Water: 79.37 g
Other: 2.66 g
Contains more FatsFats +185%
Contains more CarbsCarbs +∞%
Contains more ProteinProtein +46.8%
Contains more OtherOther +75%
~equal in Water ~79.37g

Fat Type Comparison

Fat type breakdown side-by-side comparison
38% 20% 42%
Saturated Fat: Sat. Fat 0.948 g
Monounsaturated Fat: Mono. Fat 0.506 g
Polyunsaturated fat: Poly. Fat 1.056 g
23% 31% 46%
Saturated Fat: Sat. Fat 0.181 g
Monounsaturated Fat: Mono. Fat 0.244 g
Polyunsaturated fat: Poly. Fat 0.367 g
Contains more Mono. FatMonounsaturated Fat +107.4%
Contains more Poly. FatPolyunsaturated fat +187.7%
Contains less Sat. FatSaturated Fat -80.9%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Oysters Crayfish Opinion
Calories 102kcal 82kcal Oysters
Protein 11.42g 16.77g Crayfish
Fats 3.42g 1.2g Oysters
Vitamin C 0mg 0.9mg Crayfish
Net carbs 5.45g 0g Oysters
Carbs 5.45g 0g Oysters
Cholesterol 79mg 133mg Oysters
Vitamin D 2IU 0IU Oysters
Magnesium 35mg 33mg Oysters
Calcium 116mg 60mg Oysters
Potassium 139mg 296mg Crayfish
Iron 9.21mg 0.83mg Oysters
Sugar 1.23g 0g Crayfish
Copper 5.707mg 0.685mg Oysters
Zinc 78.6mg 1.76mg Oysters
Starch 0.9g Oysters
Phosphorus 194mg 270mg Crayfish
Sodium 166mg 94mg Crayfish
Vitamin A 88IU 50IU Oysters
Vitamin A 26µg 15µg Oysters
Vitamin E 1.7mg 1.5mg Oysters
Manganese 0.591mg 0.522mg Oysters
Selenium 39.5µg 36.7µg Oysters
Vitamin B1 0.036mg 0.05mg Crayfish
Vitamin B2 0.18mg 0.085mg Oysters
Vitamin B3 1.85mg 2.28mg Crayfish
Vitamin B5 0.447mg 0.58mg Crayfish
Vitamin B6 0.061mg 0.076mg Crayfish
Vitamin B12 17.5µg 2.15µg Oysters
Vitamin K 2µg 0.1µg Oysters
Folate 14µg 44µg Crayfish
Trans Fat 0.068g Crayfish
Choline 130mg 80.9mg Oysters
Saturated Fat 0.948g 0.181g Crayfish
Monounsaturated Fat 0.506g 0.244g Oysters
Polyunsaturated fat 1.056g 0.367g Oysters
Tryptophan 0.138mg 0.234mg Crayfish
Threonine 0.046mg 0.676mg Crayfish
Isoleucine 0.459mg 0.811mg Crayfish
Leucine 0.716mg 1.329mg Crayfish
Lysine 0.762mg 1.457mg Crayfish
Methionine 0.257mg 0.472mg Crayfish
Phenylalanine 0.413mg 0.706mg Crayfish
Valine 0.523mg 0.786mg Crayfish
Histidine 0.22mg 0.341mg Crayfish
Omega-3 - EPA 0.353g 0.119g Oysters
Omega-3 - DHA 0.271g 0.047g Oysters
Omega-3 - ALA 0.163g Oysters
Omega-3 - DPA 0.02g 0g Oysters
Omega-3 - Eicosatrienoic acid 0.004g Oysters
Omega-6 - Gamma-linoleic acid 0.004g Oysters
Omega-6 - Dihomo-gamma-linoleic acid 0.007g Oysters
Omega-6 - Eicosadienoic acid 0.007g Oysters
Omega-6 - Linoleic acid 0.061g Oysters

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Oysters Crayfish
Low Calories diet ok
Low Fats diet ok
Low Carbs 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
188%
Oysters
39%
Crayfish
Minerals Daily Need Coverage Score
486%
Oysters
77%
Crayfish

Comparison summary

Which food is richer in minerals?
Oysters
Oysters is relatively richer in minerals
Which food is lower in Cholesterol?
Oysters
Oysters is lower in Cholesterol (difference - 54mg)
Which food is lower in Sugar?
Crayfish
Crayfish is lower in Sugar (difference - 1.23g)
Which food contains less Sodium?
Crayfish
Crayfish contains less Sodium (difference - 72mg)
Which food is lower in Saturated Fat?
Crayfish
Crayfish is lower in Saturated Fat (difference - 0.767g)
Which food is cheaper?
Crayfish
Crayfish is cheaper (difference - $3)
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes (0)
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. Oysters - https://fdc.nal.usda.gov/fdc-app.html#/food-details/171980/nutrients
  2. Crayfish - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174207/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.