US lawFederal (United States)RegulationsTitle 21 CFR — Food and DrugsChapter I — FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICESPart 161 — FISH AND SHELLFISHSubpart B — Requirements for Specific Standardized Fish and Shellfish161.13621 C.F.R. § 161.136Olympia oysters.Last amended: 2016Year: 2026Length: 29 wordsOfficial source Cite as 21 C.F.R. § 161.136 (2026)Olympia oysters, raw Olympia oysters, shucked Olympia oysters, are of the species Ostrea lurida and conform to the definition and standard of identity prescribed for oysters in § 161.130.Cross-references to the CFR161.130.Previous21 C.F.R. § 161.130Next21 C.F.R. § 161.145