 With significant ratios of cleaner to client, the efforts are sufficient to minimize louse outbreaks.Sea cages are designed with additional substrate for lumpfish to attach to during periods of inactivity to minimize stress levels in the cleaner fish and maximize delousing abilities.North Atlantic Aquaculture facilities use facultative cleaner fish ("Cyclopterus lumpus", and "Labrus bergeylta") in order to control the nutrients they receive during culturing, before their use in aquaculture.