| Market Names |
Oyster, Pacific Oyster |
| Where Caught |
U.S. Pacific Coast |
| How Caught |
Aquacultured |
Pacific Oyster
The Pacific Oyster (Crassostrea gigas) is a bivalve mollusk that belongs to the family Ostreidae. This family is divided into two groups, cupped Oysters (genus Crassostrea) and flat Oysters (genus Ostrea). Pacific Oysters belong to the cupped Oyster group, so named for their cupped shell. Pacific Oysters are native to Japan but were first introduced to the U.S. in 1903 and is now present in many countries. It is farm-raised along from along the U.S. Pacific Coast, especially in Washington. Pacific Oysters are one of the most widely farmed Oysters in the world. Because their flavor is affected by the water they grow in, the flavor varies by location and the Oysters are often marketed by where they are grown.
Pacific Oysters are protandrous hermaphrodites, which means that they generally start their life as males then change to females. Following simple handling steps will help keep the Oysters in top quality. The Monterey Bay Aquarium Seafood WATCH® rates farm raised Oysters as a “Best Choice” because “most oyster farming operations are very well-managed and produce a sustainable product.”
| Sources | |
Species NameCrassostrea gigas |
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SourceThe Pacific Oyster is native to Japan but has been introduced to North America, Europe and other areas. It is now farmed from Alaska to California, in Europe, Oceania and Asia. In the U.S. most Pacific Oysters are grown in Washington. They prefer living on firm bottoms, such as rocks, debris or the shells of other Oysters. They may also be found on mud or mud-sand bottoms. They live along the coast in depths of 5 to 40 meters. |
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SeasonalityFresh and frozen Pacific Oysters are available year-round. The peak in quality tends to occur between November and January. |
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Fishing MethodPacific Oysters are aquacultured to different degrees. They may be raised by suspended culture, such as on trays or posts, or by bottom culture. |
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| Features | |
FlavorPacific Oysters have a mild and sweet flavor and crisp texture. The exact flavor depends on the waters the Oyster was grown in. The meats of spawning Oysters will be milky and soft. |
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Dietary InformationPer 100g raw, edible Pacific Oyster: Source: USDA |
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AppearancePacific Oysters have rough, fluted, laminated and cupped shells. The shells tend to be whitish in color with purple streaks and spots and have a white interior with a single muscle scar that may be dark but not purple or black. The shells can reach a length of 12 inches but average 2 to 6 inches. The meat is creamy white and may have dark fringe. Pacific Oyster meats may also have slight shades of pink, green or black present which may reflect diet and regional conditions. Liquid that accompanies fresh meats should be semi-translucent. |
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| Uses | |
PreparationPacific Oysters may be prepared a number of ways. They work well poached, baked, steamed, fried, sautéed, grilled or smoked. They may also be served raw on the half shell. However, large Oysters may be too large to be eaten on the half shell and work best cut up and fried. They may also be used in pastas or chowders. |
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SubstitutionAtlantic Oysters may substitute for Pacific Oysters. |
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HandlingShellstock (oysters in the Shell) are live and should be stored in a container that will allow the oyster to breath, but does not allow air to flow and dehydrate the oyster. Cover the container or place a moist cloth over the oyster to prevent dehydration. Refrigerate between 34 and 38F. Always store your shellstock with the original shellstock certification tag as required by law. DO NOT ICE. DO NOT STORE IN WATER. |
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| Market | |
Sizes and CutsShucked Pacific Oysters are available fresh in 4-pound and 8-pound pails and 12-ounce retail bags. |
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Pricing ScalePricing Scale |
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Shelf LifePacific Oysters, as with all shellstock, are distributed with an FDA Interstate Shellfish Tag which will state a date of harvest. Oysters may be consumed raw within 14 days. NEVER eat or serve an oyster that is open or dead, discard immediately. |
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