Welfare considerations in European sea bass farming and how to improve conditions for these sensitive fish.
European sea bass presents a welfare case similar to salmon: a commercially important farmed fish species whose sentience is well-established but whose welfare has been secondary to production optimization. Sea bass social dynamics create a welfare challenge distinct from salmonids — their hierarchical behavior means that high stocking densities create chronic winners and losers, with subordinate fish experiencing ongoing social stress. Disease management for nodavirus requires prompt intervention to prevent neurological welfare harm. Progressive sea bass producers who invest in lower densities, disease monitoring, and careful handling protocols achieve both better welfare outcomes and, often, better production results through lower stress-related mortality and better growth rates.