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Mollusks vs Crustaceans

Nutrition comparison per 100g · USDA SR Legacy & USDA SR Legacy

Mollusks, oyster, Pacific, cooked, moist heat is higher in more vitamins & minerals

Calories (kcal)

Mollusks 163
Crustaceans 97

Protein (g)

Mollusks 18.9
Crustaceans 19.4

Carbs (g)

Mollusks 9.90
Crustaceans 0

Fat (g)

Mollusks 4.60
Crustaceans 1.54

Fiber (g)

Mollusks 0
Crustaceans 0

Quick answers

Which has more protein?

Crustaceans, crab, alaska king, cooked, moist heat — 19.4g vs 18.9g per 100g.

Which has fewer calories?

Crustaceans, crab, alaska king, cooked, moist heat — 97 vs 163 kcal per 100g.

Which is more nutrient-dense?

Mollusks, oyster, Pacific, cooked, moist heat scores higher in more vitamins and minerals per 100g, though both foods can be part of a healthy diet.

Full Nutrition Comparison

All values per 100g edible portion. Green = Food A higher · Blue = Food B higher

Nutrient Mollusks Crustaceans
Energy
Energy 163 kcal 97 kcal
Macronutrients
Water 64.1 g 77.6 g
Protein 18.9 g 19.4 g
Total lipid (fat) 4.60 g 1.54 g
Carbohydrate, by difference 9.90 g 0 g
Fiber, total dietary 0 g 0 g
Fats & Fatty Acids
Fatty acids, total saturated 1.02 g 0.133 g
Fatty acids, total monounsaturated 0.776 g 0.185 g
Cholesterol 100 mg 53.0 mg
Vitamins
Vitamin C, total ascorbic acid 12.8 mg 7.60 mg
Thiamin (Vitamin B1) 0.127 mg 0.053 mg
Riboflavin (Vitamin B2) 0.443 mg 0.055 mg
Niacin (Vitamin B3) 3.62 mg 1.34 mg
Pantothenic acid (Vitamin B5) 0.900 mg 0.400 mg
Vitamin B-6 — Pyridoxine 0.090 mg 0.180 mg
Biotin (Vitamin B7) 15.0 ug 51.0 ug
Folate, total (Vitamin B9) 0 ug 0 ug
Vitamin B-12 — Cobalamin 28.8 ug 11.5 ug
Vitamin A, RAE 146 ug 9.00 ug
Carotene, beta 0 ug —
Carotene, alpha 0 ug —
Vitamin E (alpha-tocopherol) 0.850 mg —
Minerals
Calcium, Ca 16.0 mg 59.0 mg
Iron, Fe 9.20 mg 0.760 mg
Magnesium, Mg 44.0 mg 63.0 mg
Phosphorus, P 243 mg 280 mg
Potassium, K 302 mg 262 mg
Sodium, Na 212 mg 1072 mg
Zinc, Zn 33.2 mg 7.62 mg
Copper, Cu 2.68 mg 1.18 mg
Manganese, Mn 1.22 mg 0.040 mg
Selenium, Se 154 ug 40.0 ug
Other Nutrients
Energy 682 kj 406 kj
Ash 2.46 g 1.85 g
Total Sugars 0 g —
Folic acid (Vitamin B9 — synthetic) 15.0 ug 51.0 ug
Folate, DFE (Vitamin B9 — dietary folate equivalents) 15.0 ug 51.0 ug
Retinol 146 ug 9.00 ug
Beta-carotene (Provitamin A) 0 ug —
Vitamin A, IU 487 IU 29.0 IU
Beta-cryptoxanthin (Provitamin A) 0 ug —
Lycopene 0 ug —
Vitamin K1 — Phylloquinone 0.100 ug —
SFA 4:0 (Butyric acid) 0 g —
SFA 6:0 (Caproic acid) 0 g —
SFA 8:0 (Caprylic acid) 0 g —
SFA 10:0 (Capric acid) 0 g 0.003 g
SFA 12:0 (Lauric acid) 0 g 0.004 g
SFA 14:0 (Myristic acid) 0.164 g 0.015 g
SFA 16:0 (Palmitic acid) 0.714 g 0.087 g
SFA 18:0 (Stearic acid) 0.142 g 0.019 g
MUFA 16:1 (Omega-7, Palmitoleic acid) 0.228 g 0.041 g
MUFA 18:1 (Omega-9, Oleic acid family) 0.382 g 0.089 g
MUFA 20:1 (Omega-9, Gondoic / Gadoleic acid) 0.060 g 0.014 g
MUFA 22:1 (Omega-9, Erucic acid family) 0.106 g 0.038 g
Fatty acids, total polyunsaturated 1.79 g 0.536 g
PUFA 18:2 (Omega-6, Linoleic acid) 0.064 g 0.020 g
PUFA 18:3 (Omega-3, Alpha-linolenic family) 0.064 g 0.014 g
PUFA 18:4 n-3 (Omega-3, SDA — Stearidonic acid) 0.168 g 0.015 g
PUFA 20:4 (Omega-6, Arachidonic acid family) 0.076 g 0.043 g
PUFA 20:5 n-3 (Omega-3, EPA — Eicosapentaenoic acid) 0.876 g 0.295 g
PUFA 22:5 n-3 (Omega-3, DPA — Docosapentaenoic acid) 0.040 g 0.031 g
PUFA 22:6 n-3 (Omega-3, DHA — Docosahexaenoic acid) 0.500 g 0.118 g
Tryptophan (EAA) 0.212 g 0.269 g
Threonine (EAA) 0.813 g 0.783 g
Isoleucine (EAA, BCAA) 0.823 g 0.938 g
Leucine (EAA, BCAA) 1.33 g 1.54 g
Lysine (EAA) 1.41 g 1.68 g
Methionine (EAA) 0.426 g 0.545 g
Cystine (conditionally essential) 0.248 g 0.217 g
Phenylalanine (EAA) 0.677 g 0.817 g
Tyrosine (conditionally essential) 0.605 g 0.644 g
Valine (EAA, BCAA) 0.826 g 0.910 g
Arginine (conditionally essential) 1.38 g 1.69 g
Histidine (EAA) 0.363 g 0.393 g
Alanine 1.14 g 1.10 g
Aspartic acid 1.82 g 2.00 g
Glutamic acid 2.57 g 3.30 g
Glycine (conditionally essential) 1.18 g 1.17 g
Proline (conditionally essential) 0.771 g 0.638 g
Serine 0.847 g 0.762 g
Alcohol, ethyl 0 g —
Caffeine 0 mg —
Theobromine 0 mg —

* All values per 100g edible portion. Source: USDA SR Legacy and USDA SR Legacy. Diff column shows percentage difference relative to Food B.

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