Aquaculture Stewardship Council (ASC) Certification

Seafood mislabelling, quality and responsible sourcing are concerns of fish farms and their supply chain. ASC certification from NSF shows compliance to meet these challenges.

ASC Certification Addresses Mislabelling and Seafood Quality

Every participant in the heavily regulated supply chain of fish farms is concerned about the presence of antibiotics and compliance with DNA specifications in the final product. By promoting responsible fish farming (aquaculture) and management, the Aquaculture Stewardship Council (ASC) certification enables buyers and consumers to make informed decisions about sustainable seafood purchases. As an accredited certifier of ASC, NSF enables producers to enjoy a competitive advantage over non-compliant sources.

NSF Certifies the Independent ASC Standard

The ASC logo identifies farm-grown seafood that adheres to environmentally sustainable processes. These improve disease control, fish mortality, the quality of discharged water, the upkeep of fish stocks and local ecosystems. Socially responsible practices address worker safety, pay and community relations. ASC‘s chain of custody (traceability) certification ensures that seafood is properly identified, segregated, and traceable – using DNA testing and supply chain reconciliation processes. By charging no audit fee and opening its reports to public view, ASC remains independent and transparent.

If you have any comments for consideration or questions about one of our certification assessments, please get in touch with us via the Contact Us section below.

Please note any comments from stakeholders can be submitted at any time during the validity of the certificate. We will acknowledge receipt of all written feedback submissions and we will examine your feedback and consult you as necessary and we will take into consideration any comments for the next audit. We will also respond in writing to explain how your comments were addressed. Please refer to the ASC website Aquaculture Stewardship Council - ASC International ( for further details and guidance.

ASC’s History and Standards Details

Jointly founded by the World Wildlife Fund and Dutch Sustainable Trade Initiative, ASC is a standards organisation that aligns with the UN Food and Agriculture Organisation and ISEAL Standards Setting Code of Good Practice:

  • Farm standards cover 17 species groups: abalone; bivalves (clams, mussels, oyster, scallop); flatfish; freshwater trout; pangasius; salmon; seabass, seabream, meagre; seriola and cobia; shrimp; tilapia; and tropical marine finfish.
  • Chain of Custody Standards (traceability) assure buyers and consumers that products come from certified farms. ASC uses the Marine Stewardship Council (MSC) Chain of Custody (CoC) Standard to verify origin. Companies that handle both ASC- and MSC-certified seafood can combine audits and receive separate certificates.
  • Seaweed production standards are designed to enhance water quality, water movement, and aquatic and terrestrial habitats.

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