Mollusks vs Crustaceans
Nutrition comparison per 100g · USDA SR Legacy & USDA SR Legacy
Mollusks, oyster, Pacific, raw is higher in more vitamins & minerals
Calories (kcal)
Mollusks 81
Crustaceans 97
Protein (g)
Mollusks 9.45
Crustaceans 19.4
Carbs (g)
Mollusks 4.95
Crustaceans 0
Fat (g)
Mollusks 2.30
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 9.45g per 100g.
Which has fewer calories?
Mollusks, oyster, Pacific, raw — 81 vs 97 kcal per 100g.
Which is more nutrient-dense?
Mollusks, oyster, Pacific, raw 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 | 81 kcal | 97 kcal | -16% |
| Macronutrients | |||
| Water | 82.1 g | 77.6 g | +6% |
| Protein | 9.45 g | 19.4 g | -51% |
| Total lipid (fat) | 2.30 g | 1.54 g | +49% |
| Carbohydrate, by difference | 4.95 g | 0 g | |
| Fiber, total dietary | 0 g | 0 g | = |
| Fats & Fatty Acids | |||
| Fatty acids, total saturated | 0.510 g | 0.133 g | +283% |
| Fatty acids, total monounsaturated | 0.358 g | 0.185 g | +94% |
| Cholesterol | 50.0 mg | 53.0 mg | -6% |
| Vitamins | |||
| Vitamin C, total ascorbic acid | 8.00 mg | 7.60 mg | +5% |
| Thiamin (Vitamin B1) | 0.067 mg | 0.053 mg | +26% |
| Riboflavin (Vitamin B2) | 0.233 mg | 0.055 mg | +324% |
| Niacin (Vitamin B3) | 2.01 mg | 1.34 mg | +50% |
| Pantothenic acid (Vitamin B5) | 0.500 mg | 0.400 mg | +25% |
| Vitamin B-6 — Pyridoxine | 0.050 mg | 0.180 mg | -72% |
| Biotin (Vitamin B7) | 10.0 ug | 51.0 ug | -80% |
| Folate, total (Vitamin B9) | 0 ug | 0 ug | = |
| Vitamin B-12 — Cobalamin | 16.0 ug | 11.5 ug | +39% |
| Vitamin A, RAE | 81.0 ug | 9.00 ug | +800% |
| Minerals | |||
| Calcium, Ca | 8.00 mg | 59.0 mg | -86% |
| Iron, Fe | 5.11 mg | 0.760 mg | +572% |
| Magnesium, Mg | 22.0 mg | 63.0 mg | -65% |
| Phosphorus, P | 162 mg | 280 mg | -42% |
| Potassium, K | 168 mg | 262 mg | -36% |
| Sodium, Na | 106 mg | 1072 mg | -90% |
| Zinc, Zn | 16.6 mg | 7.62 mg | +118% |
| Copper, Cu | 1.58 mg | 1.18 mg | +33% |
| Manganese, Mn | 0.643 mg | 0.040 mg | +1508% |
| Selenium, Se | 77.0 ug | 40.0 ug | +93% |
| Other Nutrients | |||
| Energy | 339 kj | 406 kj | -17% |
| Ash | 1.23 g | 1.85 g | -34% |
| Folic acid (Vitamin B9 — synthetic) | 10.0 ug | 51.0 ug | -80% |
| Folate, DFE (Vitamin B9 — dietary folate equivalents) | 10.0 ug | 51.0 ug | -80% |
| Retinol | 81.0 ug | 9.00 ug | +800% |
| Vitamin A, IU | 270 IU | 29.0 IU | +831% |
| 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) | 0.082 g | 0.015 g | +447% |
| SFA 16:0 (Palmitic acid) | 0.357 g | 0.087 g | +310% |
| SFA 18:0 (Stearic acid) | 0.071 g | 0.019 g | +274% |
| MUFA 16:1 (Omega-7, Palmitoleic acid) | 0.114 g | 0.041 g | +178% |
| MUFA 18:1 (Omega-9, Oleic acid family) | 0.191 g | 0.089 g | +115% |
| MUFA 20:1 (Omega-9, Gondoic / Gadoleic acid) | 0 g | 0.014 g | -100% |
| MUFA 22:1 (Omega-9, Erucic acid family) | 0.053 g | 0.038 g | +39% |
| Fatty acids, total polyunsaturated | 0.894 g | 0.536 g | +67% |
| PUFA 18:2 (Omega-6, Linoleic acid) | 0.032 g | 0.020 g | +60% |
| PUFA 18:3 (Omega-3, Alpha-linolenic family) | 0.032 g | 0.014 g | +129% |
| PUFA 18:4 n-3 (Omega-3, SDA — Stearidonic acid) | 0.084 g | 0.015 g | +460% |
| PUFA 20:4 (Omega-6, Arachidonic acid family) | 0.038 g | 0.043 g | -12% |
| PUFA 20:5 n-3 (Omega-3, EPA — Eicosapentaenoic acid) | 0.438 g | 0.295 g | +48% |
| PUFA 22:5 n-3 (Omega-3, DPA — Docosapentaenoic acid) | 0.020 g | 0.031 g | -35% |
| PUFA 22:6 n-3 (Omega-3, DHA — Docosahexaenoic acid) | 0.250 g | 0.118 g | +112% |
| Tryptophan (EAA) | 0.106 g | 0.269 g | -61% |
| Threonine (EAA) | 0.407 g | 0.783 g | -48% |
| Isoleucine (EAA, BCAA) | 0.411 g | 0.938 g | -56% |
| Leucine (EAA, BCAA) | 0.665 g | 1.54 g | -57% |
| Lysine (EAA) | 0.706 g | 1.68 g | -58% |
| Methionine (EAA) | 0.213 g | 0.545 g | -61% |
| Cystine (conditionally essential) | 0.124 g | 0.217 g | -43% |
| Phenylalanine (EAA) | 0.339 g | 0.817 g | -59% |
| Tyrosine (conditionally essential) | 0.302 g | 0.644 g | -53% |
| Valine (EAA, BCAA) | 0.413 g | 0.910 g | -55% |
| Arginine (conditionally essential) | 0.689 g | 1.69 g | -59% |
| Histidine (EAA) | 0.181 g | 0.393 g | -54% |
| Alanine | 0.572 g | 1.10 g | -48% |
| Aspartic acid | 0.912 g | 2.00 g | -54% |
| Glutamic acid | 1.28 g | 3.30 g | -61% |
| Glycine (conditionally essential) | 0.591 g | 1.17 g | -49% |
| Proline (conditionally essential) | 0.386 g | 0.638 g | -39% |
| Serine | 0.423 g | 0.762 g | -44% |
| Alcohol, ethyl | 0 g | — | |
* 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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