Oysters vs. Crayfish — In-Depth Nutrition Comparison

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A recap on the 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.

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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.

Oysters

Crayfish

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.

Oysters

Crayfish

Contains more Vitamin AVitamin A	+73.3%
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 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

All nutrients comparison - raw data values

Nutrient			DV% diff.
Zinc	78.6mg	1.76mg	699%
Vitamin B12	17.5µg	2.15µg	640%
Copper	5.707mg	0.685mg	558%
Iron	9.21mg	0.83mg	105%
Cholesterol	79mg	133mg	18%
Protein	11.42g	16.77g	11%
Phosphorus	194mg	270mg	11%
Choline	130mg	80.9mg	9%
Folate	14µg	44µg	8%
Vitamin B2	0.18mg	0.085mg	7%
Calcium	116mg	60mg	6%
Potassium	139mg	296mg	5%
Selenium	39.5µg	36.7µg	5%
Polyunsaturated fat	1.056g	0.367g	5%
Fats	3.42g	1.2g	3%
Sodium	166mg	94mg	3%
Manganese	0.591mg	0.522mg	3%
Vitamin B3	1.85mg	2.28mg	3%
Vitamin B5	0.447mg	0.58mg	3%
Saturated fat	0.948g	0.181g	3%
Carbs	5.45g	0g	2%
Vitamin K	2µg	0.1µg	2%
Calories	102kcal	82kcal	1%
Vitamin C	0mg	0.9mg	1%
Vitamin A	26µg	15µg	1%
Vitamin E	1.7mg	1.5mg	1%
Vitamin B1	0.036mg	0.05mg	1%
Vitamin B6	0.061mg	0.076mg	1%
Monounsaturated fat	0.506g	0.244g	1%
Protein per 100 calories	11g	20g	N/A
Calories per 10 g protein	89kcal	49kcal	N/A
Weight per 100 calories	98g	122g	N/A
Unsaturated / Saturated Fat ratio	1.6	3.4	N/A
Net carbs	5.45g	0g	N/A
Vitamin D*	2 IU	0 IU	0%
Magnesium	35mg	33mg	0%
Sugar	1.23g	0g	N/A
Starch	0.9g		0%
Trans fat	0.068g		N/A
Tryptophan	0.138mg	0.234mg	0%
Threonine	0.046mg	0.676mg	0%
Isoleucine	0.459mg	0.811mg	0%
Leucine	0.716mg	1.329mg	0%
Lysine	0.762mg	1.457mg	0%
Methionine	0.257mg	0.472mg	0%
Phenylalanine	0.413mg	0.706mg	0%
Valine	0.523mg	0.786mg	0%
Histidine	0.22mg	0.341mg	0%
Omega-3 - EPA	0.353g	0.119g	N/A
Omega-3 - DHA	0.271g	0.047g	N/A
Omega-3 - ALA	0.163g		N/A
Omega-3 - DPA	0.02g	0g	N/A
Omega-3 - Eicosatrienoic acid	0.004g		N/A
Omega-6 - Gamma-linoleic acid	0.004g		N/A
Omega-6 - Dihomo-gamma-linoleic acid	0.007g		N/A
Omega-6 - Eicosadienoic acid	0.007g		N/A
Omega-6 - Linoleic acid	0.061g		N/A