Rockfish vs. Shark — In-Depth Nutrition Comparison

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What are the differences between rockfish and shark?

Rockfish is higher in selenium, vitamin B12, vitamin B2, potassium, and phosphorus, yet shark is higher in iron and monounsaturated fat.
Rockfish's daily need coverage for selenium is 77% more.
Rockfish has 3 times more potassium than shark. While rockfish has 467mg of potassium, shark has only 155mg.
The amount of saturated fat in rockfish is lower.

We used Fish, rockfish, Pacific, mixed species, cooked, dry heat and Fish, shark, mixed species, cooked, batter-dipped and fried types in this article.

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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.

Rockfish

Shark

Contains more PotassiumPotassium	+201.3%
Contains more PhosphorusPhosphorus	+27.8%
Contains less SodiumSodium	-27%
Contains more SeleniumSelenium	+124.1%

Contains more MagnesiumMagnesium	+30.3%
Contains more CalciumCalcium	+194.1%
Contains more IronIron	+208.3%
Contains more ZincZinc	+11.6%
Contains more ManganeseManganese	+284.6%

~equal in Copper ~0.042mg

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.

Rockfish

Shark

Contains more Vitamin DVitamin D	+∞%
Contains more Vitamin EVitamin E	+∞%
Contains more Vitamin B2Vitamin B2	+133%
Contains more Vitamin B12Vitamin B12	+31.4%

Contains more Vitamin AVitamin A	+980%
Contains more Vitamin B1Vitamin B1	+166.7%
Contains more Vitamin B5Vitamin B5	+53.5%
Contains more Vitamin B6Vitamin B6	+24.5%
Contains more FolateFolate	+50%

~equal in Vitamin C ~0mg

~equal in Vitamin B3 ~2.783mg

~equal in Vitamin K ~µg

All nutrients comparison - raw data values

Nutrient			DV% diff.
Selenium	76.2µg	34µg	77%
Vitamin D*	183 IU		23%
Vitamin D	4.6µg		23%
Polyunsaturated fat	0.485g	3.701g	21%
Fats	1.62g	13.82g	19%
Vitamin B12	1.59µg	1.21µg	16%
Choline	78.7mg		14%
Monounsaturated fat	0.466g	5.935g	14%
Saturated fat	0.42g	3.205g	13%
Vitamin B2	0.226mg	0.097mg	10%
Potassium	467mg	155mg	9%
Iron	0.36mg	1.11mg	9%
Phosphorus	248mg	194mg	8%
Protein	22.23g	18.62g	7%
Calories	109kcal	228kcal	6%
Vitamin A	5µg	54µg	5%
Vitamin B6	0.241mg	0.3mg	5%
Vitamin B1	0.027mg	0.072mg	4%
Vitamin B5	0.404mg	0.62mg	4%
Calcium	17mg	50mg	3%
Vitamin E	0.44mg		3%
Carbs	0g	6.39g	2%
Magnesium	33mg	43mg	2%
Manganese	0.013mg	0.05mg	2%
Cholesterol	61mg	59mg	1%
Sodium	89mg	122mg	1%
Vitamin B3	2.897mg	2.783mg	1%
Folate	10µg	15µg	1%
Protein per 100 calories	20g	8.2g	N/A
Calories per 10 g protein	49kcal	122kcal	N/A
Weight per 100 calories	92g	44g	N/A
Unsaturated / Saturated Fat ratio	2.3	3	N/A
Net carbs	0g	6.39g	N/A
Copper	0.041mg	0.042mg	0%
Zinc	0.43mg	0.48mg	0%
Trans fat	0.025g		N/A
Tryptophan	0.296mg	0.212mg	0%
Threonine	1.014mg	0.843mg	0%
Isoleucine	1.06mg	0.867mg	0%
Leucine	1.835mg	1.515mg	0%
Lysine	2.188mg	1.634mg	0%
Methionine	0.707mg	0.541mg	0%
Phenylalanine	0.935mg	0.75mg	0%
Valine	1.106mg	0.965mg	0%
Histidine	0.502mg	0.538mg	0%
Omega-3 - EPA	0.107g	0.258g	N/A
Omega-3 - DHA	0.238g	0.431g	N/A
Omega-3 - DPA	0.027g	0.089g	N/A
Omega-6 - Eicosadienoic acid	0.005g		N/A