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shellfish · Ostreidae

Pacific Oyster

Crassostrea gigas

The Pacific Oyster is a bivalve mollusk that is both economically important and widely appreciated for its flavor. It thrives in intertidal zones and is farmed across the globe, particularly in the Americas, Europe, and Asia.

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Basic Information

Common namePacific Oyster
Scientific nameCrassostrea gigas
Categoryshellfish
Food familyOstreidae

Alternate Names

esOstra del Pacífico
dePazifische Auster

Health Benefits

Major benefits
  • Exceptional source of zinc, iron, copper, iodine and vitamin B12.
  • Very lean, complete protein with minimal saturated fat.
  • Regular moderate intake supports thyroid, immune and cognitive function.
EvidenceConsensus among USDA, NIH and WHO reviews is that pacific oyster contributes positively to a balanced eating pattern when consumed in appropriate portions.

Nutrition (per 100 g)

calories81
water g88
protein g9
carbs g4
fiber g0
sugar g0.2
fat g2
saturated fat g0.5
omega3 g0.5
omega6 g0.1
sodium mg100
potassium mg230
calcium mg70
iron mg5
magnesium mg20
zinc mg50
vitamin a iu170
vitamin c mg4
vitamin k mcg2
folate mcg8
Glycemic index0
Glycemic load0

Cultivation

ClimateTemperate to subtropical
Growing seasonYear-round in suitable climates.

Global Production

Seasonal availabilityPeak availability during summer months.

Storage

RefrigerationBest stored in a refrigerator.
FreezingNot recommended as it affects texture.
Shelf lifeUp to 3 weeks if kept cool and moist.

Recipes (1)

USA · Easy
Grilled Pacific Oysters

Deliciously grilled oysters topped with garlic butter.

Prep m · Cook m · Serves 4

Interesting Facts

  • Pacific Oysters can change gender from male to female and vice versa.
  • These oysters grow rapidly and can be harvested in as little as 18 months.
  • They are filter feeders, contributing to water quality in their habitats.

Frequently Asked Questions

Is Pacific Oyster healthy?

Yes — Pacific Oyster is generally considered a nutritious addition to a balanced diet when consumed in appropriate portions.

How should I store Pacific Oyster?

Follow the storage guidance above. Most fresh varieties benefit from refrigeration; shelf-stable versions keep in a cool, dry cupboard.

Can I freeze Pacific Oyster?

Many forms of Pacific Oyster freeze well. Portion into freezer bags, label with the date, and use within 3 months for best flavor.

What does Pacific Oyster pair well with?

Consult the recipe suggestions above — Pacific Oyster usually pairs beautifully with fresh herbs, citrus, or a matching regional cuisine.

Where does Pacific Oyster come from?

Pacific Oyster is produced or sourced in a variety of regions worldwide. Local farmers' markets are often the freshest option.

References

Profile source: seed-stub · updated 8/6/2026