Channel catfish are primarily farmed in earthen ponds in the American South. Welfare depends critically on pond water quality management, particularly dissolved oxygen control.
Channel catfish pond welfare is dominated by water quality management, particularly dissolved oxygen. Warm summer months reduce oxygen solubility while algal blooms in ponds create oxygen fluctuations. Hypoxic catfish experience distress equivalent to suffocation. Surface-rolling behaviour - where fish expose gills to atmospheric oxygen - is a visible welfare distress indicator. Emergency aeration during low-oxygen events prevents mass mortality but requires 24-hour monitoring capacity. Disease challenges are significant with common bacterial infections causing fin rot, haemorrhagic lesions, and systemic illness. Integrated management combining oxygen monitoring, disease surveillance, and appropriate stocking densities is the foundation of welfare-conscious catfish production.