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Crustaceans, crab, dungeness, raw

Fish/Seafood Per 100 g · Per 100g serving
Contains: 🦐 Shellfish

Crustaceans, crab, dungeness, raw is a seafood at 86.0 calories per 100g. It is an excellent source of Vitamin B12, Copper and Selenium, providing 375%, 75% and 68% of the Daily Value respectively. This seafood is a moderate protein source, virtually fat-free. Fish and shellfish are valued for their high-quality protein and omega-3 fatty acid content. Many dietary guidelines recommend consuming seafood at least twice per week. Our database tracks 61 nutrients for this food, plus insulin index, environmental footprint data.

86.0
Calories
kcal
17.4
Protein
g
0.97
Fat
g
0.74
Carbs
g
0
Fiber
g

Top Nutrients

☀️
Vitamin B12
9.0 µg
375% DV
💎
Copper
0.67 mg
75% DV
💎
Selenium
37.1 µg
68% DV

Data for 61 of 150 tracked nutrients

Nutrient Fingerprint

How this food scores across key nutrient categories, as a percentage of the daily recommended value per 100 g. Based on USDA DRIs for adults.

Complete Nutrient Profile

Macronutrients 8
NutrientPer 100gUnitPer Serving% DV
Water SR79.2g
2%
Calories SR86.0kcal
Energy (kJ) SR360kj
Protein SR17.4g
31%
Total Fat SR0.97g
Carbohydrate SR0.74g
1%
Fiber SR0g
Ash SR1.7g
Minerals 10
NutrientPer 100gUnitPer Serving% DV
Calcium SR46.0mg
5%
Iron SR0.37mg
5%
Magnesium SR45.0mg
11%
Phosphorus SR182mg
26%
Potassium SR354mg
10%
Sodium SR295mg
20%
Zinc SR4.3mg
39%
Copper SR0.67mg
75%
Manganese SR0.08mg
4%
Selenium SR37.1µg
68%
Vitamins 14
NutrientPer 100gUnitPer Serving% DV
Vitamin A (RAE) SR90.0µg
10%
Vitamin A (IU) SR27.0IU
Retinol SR27.0µg
Vitamin C SR3.5mg
4%
Thiamin (B1) SR0.05mg
4%
Riboflavin (B2) SR0.17mg
13%
Niacin (B3) SR3.1mg
20%
Pantothenic Acid (B5) SR0.35mg
7%
Vitamin B6 SR0.15mg
12%
Folate SR44.0µg
11%
Folic Acid SR0µg
Folate (food) SR44.0µg
Folate (DFE) SR44.0µg
Vitamin B12 SR9.0µg
375%
Fatty Acids 7
NutrientPer 100gUnitPer Serving% DV
Saturated Fat SR0.13g
Monounsaturated Fat SR0.17g
Polyunsaturated Fat SR0.32g
Cholesterol SR59.0mg
Omega-3 EPA SR0.22g
Omega-3 DPA SR0.01g
Omega-3 DHA SR0.09g
Individual Fatty Acids 4
NutrientPer 100gUnitPer Serving% DV
Lauric Acid (12:0) SR0g
Myristic Acid (14:0) SR0.001g
Palmitic Acid (16:0) SR0.09g
Stearic Acid (18:0) SR0.04g
Amino Acids 18
NutrientPer 100gUnitPer Serving% DV
Tryptophan SR0.24g
Threonine SR0.70g
Isoleucine SR0.84g
Leucine SR1.4g
Lysine SR1.5g
Methionine SR0.49g
Cystine SR0.20g
Phenylalanine SR0.73g
Tyrosine SR0.58g
Valine SR0.82g
Arginine SR1.5g
Histidine SR0.35g
Alanine SR0.99g
Aspartic Acid SR1.8g
Glutamic Acid SR3.0g
Glycine SR1.1g
Proline SR0.57g
Serine SR0.69g

Nutrient Density Score

The NRF9.3 score measures overall nutritional quality per 100 kcal. It rewards 9 nutrients to encourage (protein, fiber, vitamins A, C, E, calcium, iron, magnesium, potassium) and penalizes 3 to limit (saturated fat, added sugars, sodium). Higher is better; negative scores indicate the food is high in limit nutrients relative to its beneficial content.

69
NRF9.3 Score
Good · per 100 kcal
Poor (<0) Moderate Good Excellent (100+)

NRF9.3 index: Fulgoni et al. (2009), J Nutr 139(8). DVs based on FDA 2020 reference values.

Nutrient Interactions in This Food

Nutrients in this food that enhance or compete with each other during absorption.

✔ Synergies — nutrients that help each other

Dietary Fat + Vitamin A●●●

Vitamin A is fat-soluble and requires dietary fat for absorption. Adding fat to a meal significantly increases beta-carotene and retinol absorption.

Ribaya-Mercado et al., Am J Clin Nutr, 2007

Vitamin B12 + Folate●●

Vitamin B12 and folate are metabolically interdependent. B12 is needed to convert methyltetrahydrofolate back to tetrahydrofolate, enabling folate to participate in DNA synthesis.

Green et al., Nat Rev Dis Primers, 2017

Vitamin B6 + Magnesium●●

Vitamin B6 may enhance intracellular magnesium accumulation. Combined supplementation has shown greater benefits for stress and anxiety than magnesium alone.

Pouteau et al., PLoS One, 2018

Vitamin B6 + Folate●●

Vitamin B6 is a cofactor in folate-dependent one-carbon metabolism. Together with B12, these three nutrients regulate homocysteine levels.

Selhub, J Nutr Health Aging, 2002

⚠ Antagonisms — nutrients that compete

Zinc vs Copper●●●

High zinc intake induces metallothionein in enterocytes, which traps copper and blocks its absorption. Prolonged high-dose zinc can cause copper deficiency.

Prasad et al., JAMA, 1978; Fosmire, Am J Clin Nutr, 1990

Potassium vs Sodium●●

High potassium intake promotes renal sodium excretion and attenuates the blood pressure–raising effect of sodium. A higher K:Na ratio is associated with lower cardiovascular risk.

Aburto et al., BMJ, 2013

Folate vs Vitamin B12●●

High folate intake can mask vitamin B12 deficiency by correcting the megaloblastic anaemia while allowing neurological damage to progress undetected.

Mills et al., Am J Clin Nutr, 2003

Amino Acid Profile

Essential amino acid composition compared to the WHO/FAO adult reference pattern. The Amino Acid Score indicates protein quality — 100 means all essential amino acid requirements are met.

121
Amino Acid Score
Complete
Valine
Lowest Scoring
18
Amino Acids Tracked

✓ Complete protein — all essential amino acids meet or exceed WHO reference levels.

All Amino Acids (18)
Amino Acidg / 100gmg / g protein
Tryptophan0.2413.9
Threonine0.7040.5
Isoleucine0.8448.5
Leucine1.479.3
Lysine1.587.0
Methionine0.4928.1
Cystine0.2011.2
Phenylalanine0.7342.2
Tyrosine0.5833.3
Valine0.8247.0
Arginine1.587.4
Histidine0.3520.3
Alanine0.9956.6
Aspartic Acid1.8103.3
Glutamic Acid3.0170.5
Glycine1.160.3
Proline0.5733.0
Serine0.6939.3

Fatty Acid Profile

Breakdown of fat types per 100g. A healthy fat profile favours unsaturated fats (mono + poly) and a balanced omega-3 to omega-6 ratio.

0.13g
Saturated
0.17g
Monounsaturated
0.32g
Polyunsaturated
Omega Fatty Acids
EPA (20:5 n-3)0.22 g
DHA (22:6 n-3)0.09 g
DPA (22:5 n-3)0.01 g

How Cooking Changes Nutrients

Estimated percentage of each nutrient retained after cooking, based on USDA retention factors for the “Shellfish” food category. Values of 100% mean no loss; lower values indicate nutrients lost to heat, water, or oxidation.

Key insights
Vitamin B12 loses up to 25% when simmered. Baked retains 100%.
Folate loses up to 25% when steamed. Broiled / Grilled retains 95%.
Vitamin C loses up to 22% when simmered. Broiled / Grilled retains 95%.

Source: USDA Table of Nutrient Retention Factors, Release 6 (2007). Retention values are category-level averages — actual retention depends on cooking time, temperature, and water volume.

USDA Retention Factors

Insulin Response

The Insulin Index (II) measures the actual insulin response to food on a scale where white bread = 100. Unlike the Glycemic Index (which only measures blood sugar), the II captures the full hormonal response — including the effect of protein and fat on insulin secretion. This is why high-protein foods like meat and dairy can have significant insulin scores despite having low or zero GI values.

59
Insulin Index
Moderate Insulin Response
Insulin Index Scale 59
0 Low ≤30 Mod ≤60 High ≤100 120
Category ●● Assigned from measured food category

Source: Holt et al. 1997; Bao et al. 2016; Bell 2014

Environmental Impact

Environmental footprint per kilogram of food produced. Data represents the global average for the “Crustaceans (farmed)” category.

26.9
kg CO₂e / kg
Very High Impact
3.0
m² land / kg
Land Use
3,515
L water / kg
Water Use
183
g SO₂e / kg
Acidification
How this compares (GHG emissions)
Potatoes (0.5)Chicken (9.9)Beef (99.5)
Greenhouse Gas Emissions26.9 kg CO₂e / kg
Land Use3.0 m² / kg
Water Use3,515 L / kg
Eutrophication228 g PO₄e / kg
Acidification183 g SO₂e / kg
⚠️ Important context about this data
  • Global averages: These figures are production-weighted averages from a meta-analysis of ~38,700 farms across 119 countries (Poore & Nemecek, 2018). Actual impact varies enormously by farming method, geography, and supply chain.
  • System boundary: Cradle-to-retail only — does not include consumer transport, home cooking energy, or food waste.
  • Soil carbon not included: This data does not account for soil carbon sequestration. Some argue that well-managed regenerative grazing partially offsets ruminant emissions; however, full lifecycle accounting — including methane, land-use change, and the opportunity cost of using land for grazing vs. reforestation — typically makes the net footprint of ruminant meat higher, not lower. This is especially relevant in temperate grassland regions like Ireland.
  • Not gospel: This data is informational and illustrative. It is useful for understanding relative magnitudes, but should not be treated as precise measurements for any individual product or farm.

Source: Poore & Nemecek (2018), Science 360(6392). Meta-analysis of ~38,700 farms, 119 countries, 46 product categories.

Global Supply: Fish & Seafood

Top 10 countries by per capita supply of the “Fish & Seafood” food group (kcal/capita/day, 2023). This is food group–level data from FAO Food Balance Sheets, not specific to this individual food.

1.
Iceland
161
2.
Maldives
157
3.
Kiribati
146
4.
Japan
132
5.
Micronesia
118
6.
Tuvalu
113
7.
Samoa
108
8.
Micronesia (Federated States of)
101
9.
Antigua and Barbuda
97
10.
Barbados
95

Global Supply Trend (1961–2023)

+62%
1961: 24 kcal2023: 39 kcal

Source: FAO Food Balance Sheets (2023). Supply = production + imports − exports − waste, converted to kcal/capita/day.

Frequently Asked Questions

How many calories are in Crustaceans, crab, dungeness, raw?

Crustaceans, crab, dungeness, raw contains 86.0 kcal per 100 grams, making it a moderate-calorie food. The energy comes from 17.4g of protein (81% of calories), 0.97g of fat (10%), and 0.74g of carbohydrates (3%). Protein is the primary energy source.

What is Crustaceans, crab, dungeness, raw most nutritious for?

The standout nutrient in Crustaceans, crab, dungeness, raw is Vitamin B12, providing 9.0 µg per 100g (375% of the Daily Value). It is also a notable source of Copper (75% DV). Our database tracks 61 individual nutrients for this food, allowing detailed comparison across vitamins, minerals, amino acids, and fatty acids.

Is Crustaceans, crab, dungeness, raw high in protein?

Crustaceans, crab, dungeness, raw provides 17.4g of protein per 100 grams — a moderate amount. Protein contributes 81% of its calories.

How much fiber is in Crustaceans, crab, dungeness, raw?

Crustaceans, crab, dungeness, raw contains no dietary fiber. This is typical for animal-derived food. Pair with plant-based foods to ensure adequate fiber intake.

What is the insulin index of Crustaceans, crab, dungeness, raw?

Crustaceans, crab, dungeness, raw has a moderate insulin response (II: 59) (estimated from macronutrient composition) on the insulin index scale (white bread = 100). This is a typical insulin response for most mixed foods. Note that the insulin index can differ substantially from the glycemic index — dairy products and high-protein foods often have higher insulin responses than their GI would suggest.