Mollusks vs Crustaceans
Nutrition comparison per 100g · USDA SR Legacy & USDA SR Legacy
Crustaceans, crab, alaska king, cooked, moist heat is higher in more vitamins & minerals
Calories (kcal)
Mollusks 137
Crustaceans 97
Protein (g)
Mollusks 23.8
Crustaceans 19.4
Carbs (g)
Mollusks 7.76
Crustaceans 0
Fat (g)
Mollusks 0.400
Crustaceans 1.54
Fiber (g)
Mollusks 0
Crustaceans 0
Quick answers
Which has more protein?
Mollusks, whelk, unspecified, raw — 23.8g vs 19.4g per 100g.
Which has fewer calories?
Crustaceans, crab, alaska king, cooked, moist heat — 97 vs 137 kcal per 100g.
Which is more nutrient-dense?
Crustaceans, crab, alaska king, 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 | Diff |
|---|---|---|---|
| Energy | |||
| Energy | 137 kcal | 97 kcal | +41% |
| Macronutrients | |||
| Water | 66.0 g | 77.6 g | -15% |
| Protein | 23.8 g | 19.4 g | +23% |
| Total lipid (fat) | 0.400 g | 1.54 g | -74% |
| Carbohydrate, by difference | 7.76 g | 0 g | |
| Fiber, total dietary | 0 g | 0 g | = |
| Fats & Fatty Acids | |||
| Fatty acids, total saturated | 0.031 g | 0.133 g | -77% |
| Fatty acids, total monounsaturated | 0.028 g | 0.185 g | -85% |
| Cholesterol | 65.0 mg | 53.0 mg | +23% |
| Vitamins | |||
| Vitamin C, total ascorbic acid | 4.00 mg | 7.60 mg | -47% |
| Thiamin (Vitamin B1) | 0.026 mg | 0.053 mg | -51% |
| Riboflavin (Vitamin B2) | 0.107 mg | 0.055 mg | +95% |
| Niacin (Vitamin B3) | 1.05 mg | 1.34 mg | -22% |
| Pantothenic acid (Vitamin B5) | 0.208 mg | 0.400 mg | -48% |
| Vitamin B-6 — Pyridoxine | 0.342 mg | 0.180 mg | +90% |
| Biotin (Vitamin B7) | 6.00 ug | 51.0 ug | -88% |
| Folate, total (Vitamin B9) | 0 ug | 0 ug | = |
| Choline, total | 65.0 mg | — | |
| Vitamin B-12 — Cobalamin | 9.07 ug | 11.5 ug | -21% |
| Vitamin A, RAE | 26.0 ug | 9.00 ug | +189% |
| Carotene, beta | 0 ug | — | |
| Carotene, alpha | 0 ug | — | |
| Vitamin E (alpha-tocopherol) | 0.130 mg | — | |
| Vitamin D (D2 + D3) | 0 ug | — | |
| Minerals | |||
| Calcium, Ca | 57.0 mg | 59.0 mg | -3% |
| Iron, Fe | 5.03 mg | 0.760 mg | +562% |
| Magnesium, Mg | 86.0 mg | 63.0 mg | +37% |
| Phosphorus, P | 141 mg | 280 mg | -50% |
| Potassium, K | 347 mg | 262 mg | +32% |
| Sodium, Na | 206 mg | 1072 mg | -81% |
| Zinc, Zn | 1.63 mg | 7.62 mg | -79% |
| Copper, Cu | 1.03 mg | 1.18 mg | -13% |
| Manganese, Mn | 0.447 mg | 0.040 mg | +1018% |
| Selenium, Se | 44.8 ug | 40.0 ug | +12% |
| Other Nutrients | |||
| Energy | 573 kj | 406 kj | +41% |
| Ash | 2.00 g | 1.85 g | +8% |
| Total Sugars | 0 g | — | |
| Folic acid (Vitamin B9 — synthetic) | 6.00 ug | 51.0 ug | -88% |
| Folate, DFE (Vitamin B9 — dietary folate equivalents) | 6.00 ug | 51.0 ug | -88% |
| Vitamin B-12, added | 0 ug | — | |
| Retinol | 26.0 ug | 9.00 ug | +189% |
| Beta-carotene (Provitamin A) | 0 ug | — | |
| Vitamin A, IU | 87.0 IU | 29.0 IU | +200% |
| Beta-cryptoxanthin (Provitamin A) | 0 ug | — | |
| Lycopene | 0 ug | — | |
| Vitamin E, added | 0 mg | — | |
| Vitamin D (D2 + D3 — total) | 0 IU | — | |
| Vitamin D3 — Cholecalciferol (animal / sunlight source) | 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 | -100% |
| SFA 12:0 (Lauric acid) | 0 g | 0.004 g | -100% |
| SFA 14:0 (Myristic acid) | 0.002 g | 0.015 g | -87% |
| SFA 16:0 (Palmitic acid) | 0.020 g | 0.087 g | -77% |
| SFA 18:0 (Stearic acid) | 0.009 g | 0.019 g | -53% |
| MUFA 16:1 (Omega-7, Palmitoleic acid) | 0.005 g | 0.041 g | -88% |
| MUFA 18:1 (Omega-9, Oleic acid family) | 0.006 g | 0.089 g | -93% |
| MUFA 20:1 (Omega-9, Gondoic / Gadoleic acid) | 0.008 g | 0.014 g | -43% |
| MUFA 22:1 (Omega-9, Erucic acid family) | 0.009 g | 0.038 g | -76% |
| Fatty acids, total polyunsaturated | 0.023 g | 0.536 g | -96% |
| PUFA 18:2 (Omega-6, Linoleic acid) | 0.004 g | 0.020 g | -80% |
| PUFA 18:3 (Omega-3, Alpha-linolenic family) | 0 g | 0.014 g | -100% |
| PUFA 18:4 n-3 (Omega-3, SDA — Stearidonic acid) | 0 g | 0.015 g | -100% |
| PUFA 20:4 (Omega-6, Arachidonic acid family) | 0.009 g | 0.043 g | -79% |
| PUFA 20:5 n-3 (Omega-3, EPA — Eicosapentaenoic acid) | 0.004 g | 0.295 g | -99% |
| PUFA 22:5 n-3 (Omega-3, DPA — Docosapentaenoic acid) | 0 g | 0.031 g | -100% |
| PUFA 22:6 n-3 (Omega-3, DHA — Docosahexaenoic acid) | 0.006 g | 0.118 g | -95% |
| Tryptophan (EAA) | 0.309 g | 0.269 g | +15% |
| Threonine (EAA) | 1.07 g | 0.783 g | +36% |
| Isoleucine (EAA, BCAA) | 0.828 g | 0.938 g | -12% |
| Leucine (EAA, BCAA) | 1.90 g | 1.54 g | +24% |
| Lysine (EAA) | 1.47 g | 1.68 g | -13% |
| Methionine (EAA) | 0.603 g | 0.545 g | +11% |
| Cystine (conditionally essential) | 0.187 g | 0.217 g | -14% |
| Phenylalanine (EAA) | 0.824 g | 0.817 g | +1% |
| Tyrosine (conditionally essential) | 0.759 g | 0.644 g | +18% |
| Valine (EAA, BCAA) | 1.04 g | 0.910 g | +14% |
| Arginine (conditionally essential) | 2.47 g | 1.69 g | +46% |
| Histidine (EAA) | 0.488 g | 0.393 g | +24% |
| Alanine | 1.56 g | 1.10 g | +42% |
| Aspartic acid | 2.56 g | 2.00 g | +28% |
| Glutamic acid | 3.67 g | 3.30 g | +11% |
| Glycine (conditionally essential) | 1.50 g | 1.17 g | +28% |
| Proline (conditionally essential) | 1.18 g | 0.638 g | +85% |
| Serine | 1.11 g | 0.762 g | +46% |
| 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.
Like this comparison?
Get weekly food comparisons and nutrient guides — explained simply. Free, no spam.