The Northeast Atlantic Coastal States are struggling to agree on catch quotas for mackerel, blue whiting and Atlanto-Scandian herring, leading to a decrease in volumes of certified fishmeal and fish oil. This could potentially be replaced with ingredients like soy and wheat, which could impact the nutrient content of fish and affect carbon neutral strategies of feed producers. The article highlights the importance of responsibly sourced fishmeal for the health and welfare of fish, and warns of the potential loss of nutritional and environmental benefits of seafood without it.