Atlantic Cod Aquaculture Welfare: An Emerging Industry

Atlantic cod aquaculture is developing as wild stocks remain depleted, requiring welfare considerations to be integrated from the industry beginning.

Key Facts

Atlantic cod stocks collapsed in the 1990s due to overfishing; aquaculture has developed partly to meet demand.
Cod are active, schooling fish with complex social behaviour in the wild.
Their cannibalistic tendencies during juvenile stages complicate density management in early rearing.
Cold water oxygen requirements make temperature and oxygen management critical welfare determinants.
Spawning behaviour in captivity can disrupt routine management and requires species-specific understanding.
Welfare standards for cod are essentially absent despite growing aquaculture interest in several countries.
Norway has conducted significant research into cod aquaculture, providing a knowledge base for welfare standard development.

Welfare Considerations

Cod aquaculture represents an opportunity to build welfare standards into an emerging industry before poor practices become entrenched. Unlike salmon and trout aquaculture, where welfare standards are being retrofitted to decades of established practice, cod aquaculture is developing now, when welfare science can inform foundational decisions about stocking density, housing design, and slaughter protocols. The Norwegian research base provides species-specific knowledge that could underpin welfare standards if regulatory and industry bodies choose to integrate it proactively. Welfare advocates should engage with emerging aquaculture industries during their formative periods to maximise the impact of welfare science on long-term practice.

What You Can Do

Engage aquaculture certification bodies about developing cod-specific welfare standards as the industry grows.
Support research into cod behaviour, stress responses, and welfare indicators relevant to commercial production.
Advocate for welfare considerations to be integrated into cod aquaculture licensing from the beginning.
Follow Norwegian and UK cod aquaculture developments to track industry welfare practice standards.
Donate to Aquatic Life Institute and similar organisations working proactively on emerging species welfare.