The International Organization for Standardization (ISO) is an independent, non-governmental international organization with a membership of 163 national standards bodies. ISO has developed standards for: traceability of finfish products – specifications to be recorded in captured distribution chains (ISO 12875) and farmed distribution chains (ISO 12877); traceability of crustacean products – specifications on the information to be recorded in captured crustacean distribution chains (ISO 18537) and farmed crustacean distribution chains (ISO 16741); and traceability of molluscan products – specifications on the information to be recorded in captured molluscan distribution chains (ISO 18539) and farmed molluscan distribution chains (ISO 18538).