Crayfish vs. Oysters — In-Depth Nutrition Comparison

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A recap on the differences between crayfish and oysters

Crayfish is higher in phosphorus and folate, yet oysters is higher in zinc, vitamin B12, copper, iron, choline, vitamin B2, and calcium.
Oysters covers your daily zinc needs 699% more than crayfish.
Crayfish contains 3 times more folate than oysters. While crayfish contains 44µg of folate, oysters contains only 14µg.
The amount of cholesterol in oysters is lower.

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

Crayfish

Oysters

Contains more PotassiumPotassium	+112.9%
Contains more PhosphorusPhosphorus	+39.2%
Contains less SodiumSodium	-43.4%

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%

~equal in Magnesium ~35mg

~equal in Selenium ~39.5µg

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.

Crayfish

Oysters

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%

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%

~equal in Vitamin D ~0µg

All nutrients comparison - raw data values

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