Mollusks vs Crustaceans
Nutrition comparison per 100g · USDA SR Legacy & USDA SR Legacy
Calories (kcal)
Protein (g)
Carbs (g)
Fat (g)
Fiber (g)
Quick answers
Which has more protein?
Crustaceans, crab, alaska king, cooked, moist heat — 19.4g vs 17.9g per 100g.
Which has fewer calories?
Crustaceans, crab, alaska king, cooked, moist heat — 97 vs 175 kcal per 100g.
Which is more nutrient-dense?
Mollusks, squid, mixed species, cooked, fried 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 | 175 kcal | 97 kcal | +80% |
| Macronutrients | |||
| Water | 64.5 g | 77.6 g | -17% |
| Protein | 17.9 g | 19.4 g | -7% |
| Total lipid (fat) | 7.48 g | 1.54 g | +386% |
| Carbohydrate, by difference | 7.79 g | 0 g | |
| Fiber, total dietary | 0 g | 0 g | = |
| Fats & Fatty Acids | |||
| Fatty acids, total saturated | 1.88 g | 0.133 g | +1312% |
| Fatty acids, total monounsaturated | 2.75 g | 0.185 g | +1386% |
| Cholesterol | 260 mg | 53.0 mg | +391% |
| Vitamins | |||
| Vitamin C, total ascorbic acid | 4.20 mg | 7.60 mg | -45% |
| Thiamin (Vitamin B1) | 0.056 mg | 0.053 mg | +6% |
| Riboflavin (Vitamin B2) | 0.458 mg | 0.055 mg | +733% |
| Niacin (Vitamin B3) | 2.60 mg | 1.34 mg | +94% |
| Pantothenic acid (Vitamin B5) | 0.510 mg | 0.400 mg | +27% |
| Vitamin B-6 — Pyridoxine | 0.058 mg | 0.180 mg | -68% |
| Biotin (Vitamin B7) | 14.0 ug | 51.0 ug | -73% |
| Folate, total (Vitamin B9) | 9.00 ug | 0 ug | |
| Vitamin B-12 — Cobalamin | 1.23 ug | 11.5 ug | -89% |
| Vitamin A, RAE | 11.0 ug | 9.00 ug | +22% |
| Minerals | |||
| Calcium, Ca | 39.0 mg | 59.0 mg | -34% |
| Iron, Fe | 1.01 mg | 0.760 mg | +33% |
| Magnesium, Mg | 38.0 mg | 63.0 mg | -40% |
| Phosphorus, P | 251 mg | 280 mg | -10% |
| Potassium, K | 279 mg | 262 mg | +6% |
| Sodium, Na | 306 mg | 1072 mg | -71% |
| Zinc, Zn | 1.74 mg | 7.62 mg | -77% |
| Copper, Cu | 2.11 mg | 1.18 mg | +79% |
| Manganese, Mn | 0.070 mg | 0.040 mg | +75% |
| Selenium, Se | 51.8 ug | 40.0 ug | +29% |
| Other Nutrients | |||
| Energy | 732 kj | 406 kj | +80% |
| Ash | 1.59 g | 1.85 g | -14% |
| Folic acid (Vitamin B9 — synthetic) | 5.00 ug | 51.0 ug | -90% |
| Folate, DFE (Vitamin B9 — dietary folate equivalents) | 20.0 ug | 51.0 ug | -61% |
| Retinol | 11.0 ug | 9.00 ug | +22% |
| Vitamin A, IU | 35.0 IU | 29.0 IU | +21% |
| SFA 10:0 (Capric acid) | — | 0.003 g | |
| SFA 12:0 (Lauric acid) | — | 0.004 g | |
| SFA 14:0 (Myristic acid) | 0.064 g | 0.015 g | +327% |
| SFA 16:0 (Palmitic acid) | 1.13 g | 0.087 g | +1200% |
| SFA 18:0 (Stearic acid) | 0.689 g | 0.019 g | +3526% |
| MUFA 16:1 (Omega-7, Palmitoleic acid) | 0.009 g | 0.041 g | -78% |
| MUFA 18:1 (Omega-9, Oleic acid family) | 2.67 g | 0.089 g | +2906% |
| MUFA 20:1 (Omega-9, Gondoic / Gadoleic acid) | 0.049 g | 0.014 g | +250% |
| MUFA 22:1 (Omega-9, Erucic acid family) | 0.008 g | 0.038 g | -79% |
| Fatty acids, total polyunsaturated | 2.14 g | 0.536 g | +299% |
| PUFA 18:2 (Omega-6, Linoleic acid) | 1.47 g | 0.020 g | +7240% |
| PUFA 18:3 (Omega-3, Alpha-linolenic family) | 0.100 g | 0.014 g | +614% |
| PUFA 18:4 n-3 (Omega-3, SDA — Stearidonic acid) | 0.007 g | 0.015 g | -53% |
| PUFA 20:4 (Omega-6, Arachidonic acid family) | 0.010 g | 0.043 g | -77% |
| PUFA 20:5 n-3 (Omega-3, EPA — Eicosapentaenoic acid) | 0.162 g | 0.295 g | -45% |
| PUFA 22:5 n-3 (Omega-3, DPA — Docosapentaenoic acid) | 0.004 g | 0.031 g | -87% |
| PUFA 22:6 n-3 (Omega-3, DHA — Docosahexaenoic acid) | 0.380 g | 0.118 g | +222% |
| Tryptophan (EAA) | 0.202 g | 0.269 g | -25% |
| Threonine (EAA) | 0.763 g | 0.783 g | -3% |
| Isoleucine (EAA, BCAA) | 0.780 g | 0.938 g | -17% |
| Leucine (EAA, BCAA) | 1.27 g | 1.54 g | -18% |
| Lysine (EAA) | 1.31 g | 1.68 g | -22% |
| Methionine (EAA) | 0.403 g | 0.545 g | -26% |
| Cystine (conditionally essential) | 0.242 g | 0.217 g | +12% |
| Phenylalanine (EAA) | 0.656 g | 0.817 g | -20% |
| Tyrosine (conditionally essential) | 0.576 g | 0.644 g | -11% |
| Valine (EAA, BCAA) | 0.786 g | 0.910 g | -14% |
| Arginine (conditionally essential) | 1.29 g | 1.69 g | -24% |
| Histidine (EAA) | 0.348 g | 0.393 g | -11% |
| Alanine | 1.07 g | 1.10 g | -3% |
| Aspartic acid | 1.70 g | 2.00 g | -15% |
| Glutamic acid | 2.59 g | 3.30 g | -22% |
| Glycine (conditionally essential) | 1.11 g | 1.17 g | -5% |
| Proline (conditionally essential) | 0.783 g | 0.638 g | +23% |
| Serine | 0.812 g | 0.762 g | +7% |
* 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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