Oyster is not kosher according to Jewish dietary law. Not kosher. Oysters are bivalve molluscs — shellfish with no fins or scales.

What is the scientific name of Oyster?

The scientific name of Oyster is Ostreidae.

Does Oyster have fins and scales?

Oyster does not meet the requirement of having both fins and removable scales. Leviticus 11:9-12 requires fish to have both fins and scales to be considered kosher.

Can I eat Oyster sushi or sashimi?

No. Since Oyster is not kosher, it should not be consumed in any preparation, including sushi or sashimi.

What is Oyster called in Hebrew?

Oyster is known as צדפה (צדפה) in Hebrew.

Where can I find more information about whether Oyster is kosher?

KosherFish.co references the Orthodox Union (OU) and Chabad lists of kosher and non-kosher fish. For specific halachic questions, consult your local Orthodox rabbi.

Oyster

Ostreidae

Not Kosher

Description

Oysters are eaten raw on the half shell or smoked, boiled, baked, fried, roasted, stewed, canned, pickled, or steamed. They're often served with butter, lemon, vinegar, or cocktail sauce.

Oysters are saltwater bivalves living in marine and brackish water. Some kinds live mainly in the intertidal zone, others sit below the tide line, and tropical mangrove oysters grow on mangrove roots.

Also known as

Eastern oyster
Pacific oyster
Rock oyster
Kumamoto

Oyster in foreign languages

Scientific	Ostreidae
Hebrew	אוסטרידאה
Arabic	محاريات
German	Austern
Russian	Устрицы
Chinese	牡蛎科
Japanese	イタボガキ科
Korean	굴과
Hindi	कस्तूरी
Bengali	ওস্ট্রেইডা
Vietnamese	Họ Hàu

Warnings & Kosher Issues

A bivalve mollusk with no fins or scales, so it is not kosher.
Gulf Coast oysters can carry heavy bacterial loads in warm months, including Vibrio vulnificus, a dangerous seafood-borne pathogen, especially risky for people with weak immune systems.